For The Same Stuff At a Better Price. Come To Think Of It, eBay. eBay Inc. is an American Internet company that manages eBay.com, an online auction and shopping website in which people and businesses buy and sell goods and services worldwide. In addition to its original U.S. website, eBay has established localized websites in several other countries. eBay Inc also owns PayPal, Skype, and other businesses.