The battle for market share among e-book readers intensified after Amazon (AMZN) said Kindle...

|By:, SA News Editor

The battle for market share among e-book readers intensified after Amazon (AMZN) said Kindle sales for December to date are its best ever, barely halfway through the month. Amazon also announced it would begin selling Kindle with free expedited shipping, while Barnes & Noble (BKS) struggles to get its new Nook e-book reader into customers' hands.