Ebooks Statistics: 70 Percent YoY Growth In 2012, Says Bezos

Ebooks statistics continue to surprise many. Well, this has to be a record in many ways, considering that the ebooks business is just 5 years old inside Amazon. And physical book sales have slowed, and that is on expected lines (Source)

The smartest thing Amazon did was making the Kindle app available for all platforms, including tablets. As a result, ebooks have spread like wildfire - just look at that 70 percent growth number, in 2012.

Challenge for you: Name five things that grew at more than a 70 percent YoY rate in 2012. (We know one)