I found this story in the internet and I think it is worth a reading, at least to know how and why things happen.
How Amazon Works
In 1995, Amazon.com sold its first book, which shipped from Jeff Bezos’ garage in Seattle. In 2006, Amazon.com sells a lot more than books and has sites serving seven countries, with 21 fulfillment centers around the globe totaling more than 9 million square feet of warehouse space.
The story is an e-commerce dream, and Jeff Bezos was Time magazine’s Person of the Year in 1999. The innovation and business savvy that sustains Amazon.com is legendary and, at times, controversial: The company owns dozens of patents on e-commerce processes that some argue should remain in the public domain. In this article, we’ll find out what Amazon does, what makes it different from other e-commerce Web sites and how its technology infrastructure supports its multi-pronged approach to online sales.
You can read the whole story clicking in the link below (courtesy of www.howstuffworks.com):