&gt; How are Amazon and Ebay considered hi tech?

Amazon does more than just sell books like a small town bookstore with a static web page. Amazon isn&#039;t a river, it&#039;s an iceberg where all we see is the tip that sells books and music. Underneath there is a great deal of development going on. 

http://en.wikipedia.org/wiki/Amazon_Web_Services

EBay is an Amazon for yard sales. Amazon is a specialized Google. Google is considered to be a tech company.