Of course, today's event wasn't just about the Fires. Amazon's still got a dog in the devoted e-reader race as well. The big news here, of course, is the company's entry into the world of lighted E Ink readers -- coming several months after the release of Barnes & Noble's own Nook Simple Touch With GlowLight. The front-lit technology here is proprietary, of course. Amazon mentioned some four years in R&D on glowing alone. And the difference is pretty immediately clear: it's all about distribution. Looking at the Nook for a second, you can immediately isolate the top as the light source, with a stronger concentration and somewhat even distribution. The Kindle's light however, is hard to spot,
