Two of the biggest brands on the eReader market (produced and sold by two of the biggest names in bookselling, not coincidentally) are the Kindle and the Nook. They're also two of the oldest ...

Kindle books are saved in a proprietary format ... but still enough for up to 12,000 ebooks. Nook is manufactured by Barnes & Noble and supports ePub. Unsurprisingly, Nook makes it easy to buy ...

While Amazon?s Kindle business continues to heat up, it looks like Barnes & Noble?s Nook strategy may be fizzling out. Both companies have focused heavily on building their digital content sales over ...