It's a pretty interesting read. I'd found amusing the simple definition of the business model at first: <i>"We are going to sell books. People will send us money, and we will put it in the bank. And then we will ship them a book. And we will do that a lot..."</i>.<p>The guy seems a little bitter with amazon's management for some decisions they had taken. However, as of lately Kaphan recognizes some successes of the company in unexpected fields like hardware and cloud computing.