Santa Fe Institute

eBay, Inc.
Location: San Jose, CA

eBay Inc. is an American Internet company that manages, an online auction and shopping website in which people and businesses buy and sell a broad variety of goods and services worldwide.  eBay is the one of the world's premier online properties and the corporate home of a number of successful Internet brands. With over 300 million registered users, eBay's core site hosts millions of retail and wholesale transactions in some 30 countries encompassing tens of millions of transactions every day.