www.amazon.com and www.barnesandnoble.com
"Amazon.com, Inc. is an American electronic commerce company based in Seattle, Washington. It was one of the first major companies to sell goods over the Internet. Amazon also owns Alexa Internet, a9.com, and the Internet Movie Database (IMDb)." Reference
"is a wholly owned subsidiary of Barnes & Noble, Inc., a publicly traded company listed on the NYSE under the symbol (BKS)." and " It offers online customers the Web�s premier destination for books, music, DVD, video games, and related products and services." Reference