Ebay is an online marketplace that allows users to buy and sell a wide range of products, including digital goods. It was founded in 1995 by Pierre Omidyar and is headquartered in San Francisco, California, US. Ebay has grown to become one of the largest online shopping platforms in the world with over 200 million active users worldwide.

Some of the features of eBay include:

1. Marketplace: A platform where buyers and sellers can connect and transact in various categories of products, including electronics, collectibles, books, clothing, and many more.

2. Auction format: Sellers can set a reserve price for their items, while buyers bid on them. The highest bidder wins the item at auction.

3. Shipping options: Ebay provides various shipping options for buyers, including free shipping, expedited shipping, and express delivery.

4. Buyer protection: Ebay offers buyer protection services to ensure that buyers receive their items as described or get a refund if they are not satisfied with their purchase.

5. Payment methods: Ebay accepts various payment methods, including credit cards, PayPal, and bank transfers.

Overall, eBay is a reliable and convenient platform for buying and selling products online.