Many experts have acknowledged that the sheer number of new e-readers on the market helped with the increased sales of digital books. (goodereader.com)
The date was precisely the 19th of July 2010 when the world had first seen sales of digital books at Amazon taking over hardcover books for the first time in its history. (goodereader.com)
The day is not too far off when we'll see sales of digital books surpass print books. (latimes.com)