Airlines drop prices certain dayงาน

I'm looking for a skilled email marketer to build a campaign targeting working professionals. The goal is not necessarily to increase sales but to build customer loyalty. The content should focus on industry news and trends. It would be a plus if you had experience in creating emails that engage this particular demographic. Your tasks would include: - Crafting meaningful, interesting content around industry news and trends - Strategically planning the campaign to appeal to working professionals - Analyzing metrics to gauge campaign success. Having a deep understanding of email marketing strategies and excellent writing skills is vital for this project.

Hi Shahnawaz - you did a logo for my new business the other day. Now I need a Facebook and LinkedIn background picture to match it. Is this something you could do?

...us. Have internet access from one of the listed ASNs. Daily Task: On business days, open the application. Click on the "Scan" button. Wait for the scan to execute on the screen or minimize, as the scan runs in background mode. After the scan is completed, the data is sent, the process is finished, and you earn $1.25. The process is super quick, lasting from 3 to 10 minutes. Maximum of 1 scan per day, only on business days. You can check your balance in the app. Payment: Payment will be based on the number of days scans were performed. Payment will be made within 5 days after the end of the month. The money will be sended through PayPal or Wire Transfer iva Western Union Application Objective: We are a technology company, and this project aims to validate the health o...

...website. I want to achieve 2 things in my software, utilising the WP Software License plugin : 1. Protect my software with a license I want users to have to enter a valid license in order to use the full version of the software. I also want to offer a free trial of the software which has certain trial limitations. 2. Manage users’ credits within my software Each user of the software is allocated a certain number of credits in the software. Certain actions in the software cost credits. When the user exhausts the credits, they must purchase more to continue using it. I want users to be able to purchase more credits on my website and see their credit balance replenished in the software. I have purchased the WP Software License plugin to help me achieve ...

I am seeking a skilled OpenEMR professional to help implement, configure and lately customize certain OpenEMR modules/features . The system is aimed in the long term to Handel hundreds of thousands of patients and providers , with each facility/provider has restricted access to other patients other than it's/ his own patients. The selected professional will majorly work on: First fase : - you will get access to the server to complete the installation process ( production ready, SSL , link domain,...) - rebranding, logo and names - install and enable multisites module - configuring the codes system - configuration /addition of procedure orders (Labs and imaging) - configure/add the drugs to DB for the ordering/prescription Second Fase ( not included in this project) ...

I have created one todo-list with the Priority and the Drag-and Drop feature as per the client requirment.

I am seeking a skilled graphic designer to create an engaging poster to promote an upcoming event aimed at professionals in a specific industry. Key responsibilities include: - Understanding the nitty-gritty of the event and the target audience, which consists of industry professionals. - Unleashing their creativity in designing a poster that is both attractive and effective in conveying vital information about the event. Ideal skills and experiences: - Strong portfolio in poster design. - Experience in designing materials for professional audiences. - Good understanding of design elements necessary to drive engagement and relatablility amongst industry professionals.

...am in need of a developer to program a Raspberry Pi using inky pHAT to display Octopus Agile prices in real-time. The display should be presented as numeric data and a graph and I already have the code for this I just have no ides how to programme it. There is no requirement for specific colors or themes; the display can remain as it is. The ideal candidate for this project would: - Have experience with Raspberry Pi and inky pHAT - Have a solid background in programming and data visualization - Have an understanding of the Octopus Agile pricing system Once finalized, the Raspberry Pi should effectively display live Octopus Agile prices at any given time. Discounting the technical aspects, being accurate and efficient is of utmost

...user-friendly three side interface Admin 1. Questions management eg. bulk upload,create,correction etc 2. User management eg. teacher /student data allow reject 3. Test management 4. Payment PayPal as the primary payment gateway Teacher 5. Questions - eg. bulk upload, create,correction etc 6. Institute - Name address, watermark,instruction for tes 7. Students- list aprove/reject 8. Test a. Create test b. Drop dwon => Exam- Class- Subject- Chapter selection With number of questions(Random,Academic,competitive,IIT,NEET,etc) c. @ PDF , Two paragraphs, Watermark d. @ Online share 9. Upload notes 10. Upload video links Student 11. Test - all tests of teacher he will ask to join and join after aprove 12. Result -all taken test 13. Video- all video of teacher 14. Notes- all notes of ...

Hi Marcelo Manuel G, this is a longer term project where I'd like you to help me with several things related to my research. I'm setting a budget of AUD 4,000 (easier to handle on my side) and establish certain milestones for you to complete. Each milestone will be for AUD 400. Roughly, this should correspond to 10 hours of work. I'll be in touch later with more details. For now, please accept the project.

I am seeking an experienced graphic designer to create dynamic, modern themed designs for my brand. This includes crafting an eye-catching logo, impressive social media images, and stunning print designs. Key Responsibilities: - Create a modern logo design fitting for print and digital uses. - Design attractive social media graphics suitable for Facebook, Instagram, and Twitter. - Develop print designs that align with the chosen modern theme. Ideal Skills and Experience: - Proficient in modern, minimalist design techniques. - Proven experience designing for social media platforms - Facebook, Instagram, and Twitter. - Strong portfolio showcasing versatile print and digital design capabilities.

I'm in need of an experienced WordPress developer who specializes in Elementor Pro to make some specific changes to my current website. My requirements include: 1. Content and Design Updates: - Redesign and refinement of existing content - Addition and removal of certain sections as per requirement 2. Layout Changes: - Re-arranging the structure and organization of the website sections - Adding or removing sections to optimize user navigation Ideal Skills: The perfect candidate will have strong experience in using WordPress and Elementor Pro, an understanding of website layout best practices, a keen eye for design and detail, and experience in content updates and refinements.

...feature should offer a seamless booking experience for my customers. It should include a calendar interface for appointment selections, booking confirmation, booking alert messages, and options for booking customization. - A service catalog: My salon offers a wide range of services. I need the plugin to display them categorically, with descriptions, images, who provides each service and their prices. It should be easy for me to update this as needed. - Customer reviews: I also want space for customers to leave reviews and ratings for the services they have received. I already have a specific layout and design in mind for the plugin, so I'll need someone who can accurately translate my ideas into reality. Proficiency in PHP, HTML, CSS and JavaScript, as well as a robust p...

Hello. We have a small hiking company in Indonesia. We translated our website into many languages already, but we want a native person to proofread them. This is a 1 day job for a native person. We are hiring 1 person in each language, but you must be native. We have a very easy side-by-side editor so you can check things. You will log into our WPML wordpress. You can translate side-by-side in the translating editor. See the files attached for the links that need translated. Also, see a screen shot of the side-by-side editor which will make this job go very quickly. Pay is $75 max for 1 day of work. We will take the best price bid since we are on a budget. I will send private invites to each candidate that we chose. Please be sure to look over the files, and bid $75 max ...

I'm looking for a talented individual who can bring my vision for a lof...have been decided upon yet, so I welcome your expertise and creativity in bringing together a unique and appealing combination. The ideal candidate will possess: - A solid understanding of lofi hip hop music and its distinct elements. - Proven ability to arrange and produce high-quality audio tracks. - Creativity and innovation in music creation. Lastly, I aim to create a track that embodies a certain mood, although specifics have not been settled on yet. I appreciate freelancers who can provide their insights on this matter. In your proposal, remember you haven't been limited by any instrument or mood constraints for this project and let me know what you envisage for this lofi hip hop track base...

I'm seeking an expert animator to create an informative short video, under a minute, to illustrate how certain engine technology parts work. Specifically, the animation should focus on the piston and cylinder, and should also incorporate some graphs and electrical parts. Your approach should be cartoon-like 2D graphics, ensuring the mechanical processes are communicated clearly with an engaging aesthetic. Ideal Skills & Experience: - Proficiency in 2D animation - Knowledge about engine parts or mechanical systems would be a plus - Ability to create clear, informative, and engaging animations - Experience with creating graphs and electrical parts in animation Your creativity and input would be highly appreciated, however, please adhere to the specified animation style a...

...couple of days to print it. NOTE: The model is of the woman and three children. We can make an adjustment so it looks like they are on a single couch. Will need to include their legs even in the model, will have to use imagination for that. Can provide reference pictures of faces if need be. - My price is AUD$300 non-negotiable. (this is Australian Dollars, don’t ask me to change to USD. Any prices over this will not be considered....

I need a Shopify developer to build a tax toggle on to a website so users can swtich between displaying ex vat and inc vat prices.

I am in need of a skilled Process Engineer with broad industry experience, as this project doesn't pertain to a specific sector. My project's primary focus entails heat and mass balance calculations, along with equipment sizing tasks. Here are more details: - As we've skipped over certain details, I'm open to expertise in multiple areas of heat and mass balance calculations; whether it's material and energy balance, steam and water balance, or even combustion balance calculations. - For the equipment sizing, you should be capable of conducting heat exchanger sizing and storage vessel sizing. This project is best suited for a professional familiar with the intricacies of pivotal process engineering tasks. If you are technically adept, can work without ...

Freelancer Wanted: Lua Scripting - Game...script for a game. This script will handle specific tasks and enhance the in-game experience. Tasks: Creature Behaviors: A system needs to be created to control the movements and behaviors of creatures in the game. This may include actions such as hunting, fleeing, or attacking. Task Completion: A system needs to be developed to enable players to complete certain tasks. Tasks may involve going to specific locations, collecting certain items, or defeating enemies. Interactions: A system needs to be developed to allow players to interact with their environment. This could include actions such as opening doors, pressing buttons, or interacting with other players. Strong knowledge of Lua programming language. Experience in game mec...

I have 2 freelance positions that need to be filled in my real estate firm located in Gurgaon. The role needs you to recruit for sales positions and manage onboarding documentation. While the role is specific to the real estate sector, I am open to recruiter...Gurgaon. The role needs you to recruit for sales positions and manage onboarding documentation. While the role is specific to the real estate sector, I am open to recruiters from any industry. Ideal skills and experiences: - Intermediate experience in recruiting - Experience in managing onboarding process - Detail-oriented and efficient - Good negotiation skills for salary discussions Please drop your interests and proposed pay. Let's work together to form an efficient sales team. #recruiters #non-itrecruiters #reale...

I'm seeking a highly proficient WordPress developer to create an enquiry form on my website's tour package page. Your main task will be: - Creating an enqui...enquiry form customized to include the following fields: Name, Email, Phone number, Destination, Start date, End date, and Number of guests. Your expertise should include website design, plugin customization, and content management. Being familiar with WordPress form builders and handling form submissions is most ideal. Keep in mind that each tour package is full-day, hence, the form should be configured to accommodate full-day tours only. A developer that can communicate effectively, meets deadlines, and can manage a CMS with efficiency is ideal. Experience in the travel and tourism sector would be benefi...

I'm experiencing a distressing issue on my WordPress site, where I am unable to access the admin dashboard. When I make attempts to access it, the page simply doesn't load. I'm not certain about the causes as there have been no recent changes done to the site. Ideal candidate for this job should have: - Profound skills in WordPress troubleshooting - Prior experience with loading issues Your task will be as follows: 1. Diagnose the issue preventing the admin dashboard from loading 2. Successfully restore access to the admin dashboard 3. Provide explanation for the issue that was encountered and how it was resolved. Looking forward to swift assistance. Thank you.

I am seeking a beginner-level freelancer to produce engaging fitness and health reels for my various social media channels, focusing primordially on TikTok. Main Responsibilities: - Recording high-quality health and fitness and day in my life type if reels - Creating engaging and compelling fitness content Ideal Skills And Experience: - Familiarity with social media, especially TikTok and Instagram Reels - Experience in video creation and editing would be beneficial.

I am seeking a beginner-level freelancer to produce engaging fitness and health reels for my various social media channels, focusing primordially on TikTok. Main Responsibilities: - Recording high-quality health and fitness and day in my life type if reels - Creating engaging and compelling fitness content Ideal Skills And Experience: - Familiarity with social media, especially TikTok and Instagram Reels - Experience in video creation and editing would be beneficial.

I'm in urgent need of professional assistance to manage my business on Amazon, Flipkart, Meesho, and Myntra. I sell a range of products on these platforms and require help with various tasks. Key Responsibilities: - Product Listing and Optimization: You will manage all aspects of product listings, ensuring images, descriptions, and prices are accurate and appealing. - Sales and Promotions: You will be expected to strategize and execute effective sales promotion techniques to boost sales and profitability. These tasks aim to increase sales, improve brand visibility and expand the customer base. To achieve this, you should have: Desired Skills and Experience: - Proven experience in managing ecommerce platforms like Amazon, Flipkart, Myntra, and Meesho - Proficiency in prod...

I am looking for a freelancer with experience in lead generation and marketing for the life insurance sector. The objective is to find i...reaching Indian markets, particularly for financial products. * Familiarity with Email marketing, Social media advertising and Telemarketing. * Understanding of life insurance products, specifically Term & Whole life insurance. Earning Potential: If any client purchases a policy then you get Rs5k for each policy. This means If you provide 5 interested clients per day and if they purchase a policy then you will earn 25k per day. Your task will be to create a strategic marketing and lead generation plan, execute it, and provide qualified leads. Please provide evidence of your past work experience, performance metrics, and strategies y...

I'm looking for an expert digital marketer to help generate 6000 leads for airlines tickets specifically focusing on both vacation and business travelers. The successful freelancer should have proficiency in creating and managing: - Online advertisements - Email marketing campaigns - Social media campaigns This role requires extensive experience in these areas. In addition, the geographical focus should encompass both the United States and Europe. The prospective freelancer should have established strategies that work within these demographic groups and locations. You should be able to demonstrate past success in similar projects with measurable results. Knowledge of the airline industry will be an added advantage. I'm looking for someone with a keen eye for audience tar...

This task is to obtain sufficient appropriate audit evidence, its impact on audit opinions, reporting and application of the auditing standards. Drawing in relevant sections of certain auditing standards (ASA500) and reference certain sections. Determining an appropriate audit opinion (ASA700/ASA701 ASA705) for the year that is being audited. I need a zealous professional auditor to provide a detailed analysis and opinion on an audit scenario. This personal venture requires immediate action and expertise in interpreting auditing standards, sourcing appropriate audit evidence, and formulating impact scenarios on audit opinions and reporting. Your responsibilities will include: - Thoroughly reviewing the auditing scenario - Bringing forth suitable audit evidence - Deciphering...

...makes timetable generation easy and efficient for my team of teachers and administrators. We need a system that: - Allows only teachers and administrators to access, contributing to timetable creation. - Has a defined limitation of maximum four classes per day. - Accommodates teachers' availability, ensuring they are not scheduled during their unavailable periods. - Balances the number of classes between our high and low-performing teachers. - Assigns subjects to teachers based on their area of expertise. - Manages number repeats of certain classes. - Accommodates for some default (miscellaneous) classes. - Provides a manual override option for unexpected changes in scheduling. - Prioritizes teachers with greater available hours and subject specialization. Ideal fre...

I am on the hunt for an experienced and multi-faceted writer who is comfortable creating content across various platforms. Due to the unavailability of certain specific details; I urge applicants to: - Showcase diversity in their previous work. I am interested to see examples that demonstrate your ability to write connector blog articles, engaging website content, and captivating social media posts. - Provide relevant experience. A background in content creation is favored, along with examples of any specialties or niches. - Deliver a detailed project proposal. What's your approach to creating content that enthralls? I am unable to provide an estimated word count at this moment as the amount may vary per content piece. Therefore, writers comfortable with a flexible project s...

...booking. Bonus Commission: Earn a 20% rate after closing 4 bookings within a month. Earning Potential: Example Monthly Earning Scenarios: Scenario 1: Moderate Bookings 5 successful bookings per month (e.g., mix of workshops and speaking engagements) could earn you approximately £2000–£4000, depending on service prices. Scenario 2: High Bookings 8 successful bookings per month (achieving bonus commission rate) could earn you approximately £4500-£8000, depending on service prices. Scenario 3: Exceeding Expectations 9+ successful bookings per month (consistently achieving bonus commission rate) could lead to earnings of £5500+, depending on the mix of services secured. Important Note: These are just examples. Your actual earning potential...

...software will look for the links in Excel from Google Drive and open these sites/pages; - There will be many sites (potentially more than 1000 in the short term); - As there will be many websites, I think they should be opened in a lightweight browser (Lynx or headless); - Some of these sites required a proxy to open; - Then whenever I click on another button in the software, I want the software in a certain location on each site/page (using coordinates or by section or another way that the Programmer finds more effective to program) to check if the color is green or red every second (for 30 seconds); -> After the software collects information on how many seconds the color took to change from green to red from all different websites/pages, it sends this information to another ...

I'm in need of a talented videographer who can capture the magic of our upcoming wedding. We have our hearts set on a cinematic style for our wedding video, with emphasis on certain aspects. What I Need: - A videographer with experience in capturing weddings, specifically with a knack for framing the moments in a cinematic style. - Expertise in capturing the right moment, specifically our very first dance as a couple. - Skilled in editing and post-production, creating a charming composite of events that weaves a narrative around our story. Ideal Skills: - Videography - Post-production and editing skills - Experience in capturing weddings - Strong sense of visual aesthetics - Excellent storytelling abilities through visual media This project calls for a keen eye, a passion ...

I'm in search of an expert skilled in leveraging WP Bakery Page Builder to add an extra button in our wordpress website header. It should also be mobile responsive and cross browser compatible. And must be done in a day focusing on the details. On the other hand we have a limited budget for this small task. So apply if you have experience and skills for a long term relationship but don't look at the budget now. Please start with the line "I am ready and available to do it for $10" before applying for the project. The project requires: - Strong knowledge in WP Bakery Page Builder - Previous design portfolio to get design inspiration - Creativity and innovation in crafting a purposeful website - Ability to propose and implement website functionalities This is a ...

...Generate leads, educate and direct to paid subscription / membership Included Features: 1. Content-rich pages: we will produce in the form of blogs from other social channels 2. Lead captivation tools: Innovative strategies to maximize lead generation (aside from email signup, can we link in other landing pages sites?) 3. Paywall access: Membership restriction v Recurring Subscription Plans for certain sections of the website (best practice advice here, even though SquareSpace provide this) 4. Quizzes : 50% to sit behind paywall (we use a seperate site for this, but help with best practice embedding into / linking with Square Space) Required Skills and Experience: * Proficiency in SquareSpace website designing and architecture * Prior experience in lead generation strategy and ...

I am in need of a family court paralegal to assist me mainly with conducting thorough legal research. Your tasks will cover: - Legal research: The focus will primarily be on verifying the authenticity of certain court-filed documents. A keen eye for detail and thorough knowledge of document verification processes would be paramount for this task. - Document Verification: These documents include birth certificates and various filed court actions. The ideal candidate should have expertise in family law, comprehensive knowledge about the verification of legal documents as well as experience in conducting legal research. NEWTON MASSACHUSETTS / MIDDLESEX COUNTY COURTHOUSE

Application should optimize cost of transportation for the company employees. Based on demand for...optimize cost of transportation for the company employees. Based on demand for a specific date which departments of company are working, it should provide the list of people who are most cost-effective to transport to destination. There are predefined bus routes with addresses of employees. Based on this information application should provide list of names, which employees should be working on that day and provide, which lanes should be active, keeping in mind the cost effectiveness. Cost-effectiveness can be calculated based on mileage on the route and the number of routes (buses). At the moment all that is present in excel, but it can be modified and delivered in whatever format it ...

I'm in need of a professional to design a vector logo for my business, "Leopold Inc. Clean Windows". The design should reflect the following specifications: - Color Scheme: Employ a refreshing blue and white color palette, mirroring our clean and bright service. - Symbol Incorporation: Integrating a rain drop symbol into the design is essential. It should complement the overall aesthetic and not overdominate. - Font Style: The text "Leopold Inc. Clean Windows" should be presented in a clean and minimalist style, further emphasizing our core service. Ideal candidates will have prior experience in vector logo design, familiarity with the specified color palette, and demonstrated ability in creating professional, clean designs. An understanding of the aesthe...

I am in need of a website for my camera rental business. The website should include the following features: a login and sign-up page, product pages displaying pictures of the cameras and lenses, with rent prices clearly visible, an elegant design, and a proper dashboard. My budget for this project is limited. I have also provided reference pictures for the website design.

I'm looking for an expert with a strong background in statistics and data interpretation, specifically with performing multiple regression analyses. The databas...present all findings in a 2000-word essay. Here's what I need: - A thorough, clear interpretation of the database - Multiple regression analysis to answer various statistical queries - Clear explanation of how different variables affect each other - Insight into factors contributing to specific outcomes - A well-written, insightful 2000-word essay This task requires a quick turnaround time of 1 day. Therefore, being able to work effectively under a tight deadline is essential. I'm particularly interested in working with freelancers who have strong statistical analysis skills and a knack for writing compe...

...affordable products so it needs to be very proffesional but also responsive and easy to order. I want uppromote affiliate app implemented. Convert kit email newsletter / marketing. Very important need to implement shopify’s 3PL logistic solution in store fully working so i can ship products for storage and organize with SKU number so it is ready. I want subscribe Monthly/ 60 or 90 day option for certain products with discounts. Afterpay / klarna / Credit card / Shopify pay / paypal at checkout full payment option, also need to setup accounts if needed to paypal and payment processors. the slogan for the store is : Unmatched Quality Control url is i have g suite email ( need to make 2 new accounts. I currently only have 4 products, but will be adding...

...Experience with creating advanced mechanics that involves horror elements. - Familiar with Minecraft version 1.19.2 Forge and its mechanics. - Capable of handling Geckolib models - Portfolio presenting previous work in Minecraft - Able to properly communicate and understand the details. A list of some of the required features is provided below. - Grabbing & Dragging the player into the woods for a certain radius - Stalking the player for up to 200 blocks or more. - Stalking the player tree-to-tree up to 200 blocks or more. - Attacking - Ambushing the player from a tree - Lockdown: It locks the players control of movement and screen for 30 seconds, while also coloring the environment red for a short duration. These are just some functionalities off the top of my head, the e...

I need a competent Lisp programmer's help in dealing with a nagging issue affecting my code. Specifically, it is producing incorrect outputs when engaging with certain external systems. Key tasks include: - Identify the root cause of the output error - Troubleshoot and rectify the logic flaws causing these errors - Make sure code is efficient, secure, and maintainable The ideal candidate for this role will have: - Proven experience working with Lisp and Autolisp even VBA. - Troubleshooting and debugging expertise - A good communicator that can take my rudimentary directions. To make it short, I have a code that is used for underground drilling permits in the CAD environment. I have a LISP suite that stations a line by generating notes, that generates MLeaders when the s...

I need a professional website developed for my carpet cleaning business. The primary goal is to significantly increase customer inquiries from residential homeowners. - The website will need a user-friendly contact form designed to make communication effortless for potential clients. - A showcase of our services and prices should be included to give customers a clear understanding of what we offer. - Building credibility is crucial, so including testimonials and achievements would be beneficial. -Simple 1-2 page website and mobile site. I have a website that was made 8 years ago and desperately needs an update. -I would love to have some SEO work done to get more traffic to the site. -Looking to get a simple form on the site for a contact info from customers. Ideal freela...

I'm seeking a skilled web designer for a simple redesign of my existing 6-page WordPress website. I'm aiming for a fresh and innovative design that will not only give my website a modern look, but also prioritize my products and services. Your tasks will include: - Infusing a modern and groundbreaking design ...Strong UX/UI knowledge - A portfolio showcasing previous redesign work, particularly with a focus on products or services Your design should not only revamp the aesthetics of my site, but also improve its functionality and usability without altering the existing structure. Looking forward to seeing your imaginative designs! Its a simple Cargo service website explains procedure step by step prices services items with photos modern style I can pay 150 usd max...

...current software installed on our server. It is fully operational but needs some improvements to make it more user-friendly and more useful. The purpose of this software is to estimate the number of pedestal supports required on an elevated deck which uses pavers as the deck surface where the pavers are mostly supported at each corner only. With these pedestals, you can screw them up or down a certain amount so each of these has a specific height range - for example 1 1/4″ – 2 1/2″, 2 1/2″ – 6″, 6″ – 16 1/2″ etc. You can see an example of thee pedestals on our web page So a user draws the plan of the area which is to be covered onto a grid on the web page, or uploads a drawing of the area and then draws

Designer wanted! Hoikes, With the elections coming up and all the flaws that the government has committed in recent years (say decades), I would like to make fun of the politicians/politicians. Meant to print the designs on shirts for the comrades on D-Day. Btw: I am also anti Woke, complete nonsense what they are ramming down your throat these days, so this topic is allowed too!!! Style: May be abstract and/or minimalist. At first I wanted to make the drawings myself, but I'm not smart enough for that. I wanted to make stickman like cartoons, so that's a surplus if you can make these like that. I myself am not well versed in the laws surrounding the use of public figures in prints, so heads may always be "tarnished," but still recognizable. I've inc...

โปรดลงทะเบียน หรือเข้าสู่ระบบ เพื่อดูรายละเอียด