Amazon has one of the largest product information databases in the world. Within it there are millions of orders, thousands of products, and customers. Amazon also has data about visitor's browsing histories. This useful tool makes suggestions on other items the shopper may like. Payment types and referrers are also helpful, especially for those who frequent Amazon. In regard to the products, it contains rankings, reviews, and price information from other sellers. For the shopper who wants the best deal Amazon has the tools to help. Some consumers use Amazon's database with no intention of buying from the site. is a very good comparative and research tool. Amazon filtering allows quick searches for desired products. is considered an “e-tailer”, a retail company that conducts business on the Internet.     Through this E- business or E commerce the process of buying, selling, transferring or exchanging products, services, or information through computer networks, like the Internet is conducted. deals largely on a consumer base, business-to-consumer (B2C). In B2C, the sellers are organizations, and the buyers are individuals. also uses a business-to-business (B2B) type of e-commerce. In B2B transaction, both the sellers, and the buyers are business organizations. This allows companies to structure their supply chains with applications to help form relationships with its distributors, resellers, suppliers, and other partners. uses B2B e-commerce in different ways, including in a “sell-side” and “buy side” models.   In a “sell-side” model, the seller,, uses e-commerce to increase sales, reduce selling and advertising expenditures, etc.   In a “buy side” model, organizations attempt to buy needed products or services from other organizations electronically. does just that when purchasing their products to resell or simply selling to other businesses.