When we heard word of a "big announcement" back in July we imagined an e-reader of some sort, but what is it that we have here? Based on a technology Bridgestone calls Quick-response Liquid Powder, the company's all-color touchscreen e-book reader is about 5.8mm thick, features a 13.1-inch touch-sensitive e-paper display (with 4,096 colors and a refresh rate of about 0.8 seconds), and some sort of unspecified mobile phone connectivity. Most exciti