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Amazon is reportedly developing a smartphone that sports a 3D screen that relies on retina-tracking technology to make images seem to float above the screen like a hologram. With the smartphone, users would be able to navigate through content by using their eyes alone, according to two unnamed people who discussed the phone with the Wall Street Journal.

Revenue at Barnes & Noble stores fell 10.9% during the holidays, as sales of Nook devices slipped, a sign that the retailer is falling behind in the tablet battle with Amazon, Apple and Google.

The new Kindle Paperwhite isn't the perfect character. Just like the literary creations that live and die on its screen, it has flaws. It's wise, though it still suffers from memories of its past. But in the great e-reader saga, it's clearly the protagonist, and one worth rooting for.

Wal-Mart Stores Inc. is phasing out the sale of Amazon.com's Kindle Fire tablet and Kindle e-readers, the second major retailer to stop offering the items in six months... Retailers are trying to fight a growing practice called "showrooming." That's when shoppers, armed with smartphones, browse products in physical stores and then shop online for a better price.

Amazon says buyers of its new Kindle Fire HD tablet will get the option to turn off the advertisements that appear on its standby screen for $15. The online retailer showed off the tablet last week, and said there would be no option to turn off the ads. That was a departure from Amazon's previous policies. It has shipped Kindle e-readers with "Special Offers" ads on the standby screen, but users could pay to have them turned off.

Amazon's new Kindle Fire HD boasts a much more vibrant screen than the original tablet that came out about a year ago. That makes buying movies and TV shows to watch on the device a lot more appealing....

Amazon.com quenched the Kindle Fire on Thursday, saying its first tablet computer is now "sold out." The Internet retailer has a major press conference scheduled for next Thursday in Santa Monica, California. It's widely expected to reveal a new model of the Fire there, so the announcement that the first model is "sold out" suggests that Amazon halted production a while ago to retool for a new model.

Barnes & Noble Inc. (BKS) (BKS), the largest U.S. bookstore chain, introduced a Nook e-reader with a screen that glows in the dark, challenging Amazon.com Inc. (AMZN) (AMZN) at a time when prices for digital books may start falling.

The Kindle Fire turned out to be a popular device largely because of its comparatively low price tag. it was the first sub-$200 tablet (by a buck) that didn't feel like a $25 device you'd expect to find in a Fisher Price catalog, and as a result, Amazon closed out the fourth quarter of 2011 with a 14 percent share of the global tablet market,...

With the rumblings from Amazon about the early success of its new Kindle Fire over the holiday season, the company’s disappointing fourth quarter results came as a surprise. More surprising was Amazon’s silence regarding total Kindle Fire sales for the quarter. During the earnings call, Amazon’s executive team deferred questions about the device to the press release, which simply regurgitated sales data from December.