- E-book sales overtook print books in 2012 July 28 2013

Here's a very cool chart Amazon flashed at today's Kindle event. It shows how quickly sales of Kindle books have grown in comparison to physical book sales.

 

Source 

Source: http://www.businessinsider.com/chart-of-the-day-kindle-books-sold-2012-9#ixzz25jU1Qk5X