eBay

With more than 88 million active users globally, eBay is the world's largest online marketplace, where practically anyone can buy and sell practically anything. Founded in 1995, eBay connects a diverse and passionate community of individual buyers and sellers, as well as small businesses. Their collective impact on e-commerce is staggering: In 2008, the total worth of goods sold on eBay was $60 billion -- $2,000 every second.