Online retailers are businesses that sell products or services over the internet. They allow customers to browse a wide variety of items from the comfort of their homes, making shopping convenient and accessible. Popular online retailers include Amazon, eBay, and Walmart, which offer everything from electronics to clothing. These retailers often provide detailed product descriptions, customer reviews, and easy payment options, enhancing the shopping experience. Many online retailers also offer fast shipping and easy returns, making it simple for customers to receive and return items. This shift to online shopping has transformed how people buy goods and services today.