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 ...

The Nook measures 7.7 x 4.9 x 0.5 inches, weighs 11.2 ounces (an ounce more than the Kindle), and has a battery life of 10 days (4 days fewer than the Kindle), with a replaceable battery.