Amazon.com Inc is a leading global Internet company and one of the most trafficked Internet retail destinations worldwide. Amazon directly sells, or acts as a platform for the sale of, a very broad range of products, including books, music, videos, consumer electronics, clothing and household products. The majority of Amazon’s sales are products sold by Amazon, with the remaining amount from third-party sellers. Through year-end 2006, Amazon had approximately 64 million active customers worldwide.

Amazon is an online shopping website with one of the largest product supplies online. It was one of the first companies to sell products deep into the long tail by housing them all in numerous warehouses and distributing products from many partner companies.

Wal-Mart Stores, Inc. (NYSE: WMT), branded as Walmart since 2008 and Wal-Mart before then, is an American public multinational corporation that runs chains of large discount department stores and warehouse stores. The company was the world's largest public corporation in 2010 by revenue.

Walmart has 8,500 stores in 15 countries, under 55 different names.[6] The company operates under its own name in the United States, including the 50 states.