Amazon are in the content business which is why they sell below cost. Additionally because of DRM there is significant first mover advantage - people can only

Amazon are in the content business which is why they sell below cost. Additionally because of DRM there is significant first mover advantage - people can only drop your platform by dumping their existing bought content. Asymco has good data on who is making profits in the industry: http://www.asymco.com/2012/05/03/the-phone-market-in-2012-a-tale-of-two-disruptions/ http://www.asymco.com/2012/05/03/the-phone-market-in-2012-a-...