This was thanks to a strong portfolio of devices, ranging from low to high end in prices and performance. (9to5google.com)
This should round off their new portfolio of devices, but it remains to be seen if they will be accepted by customers. (goodereader.com)
Really, in the current e-reader space, these are the companies with an extensive portfolio of devices and have all been in the game for three years or more. (goodereader.com)