Amazon’s Kindle electronic book reader and it’s proprietary document format is facing new competition. 5 of the biggest U.S. publishers of newspapers and magazines announced a joint venture to develop technology for display of publications. Yesterday, Conde Nast, Time Inc., News Corp., Hearst Corp., and Meredith Corp. outlined their plans as an alternative to Kindle’s black and white electronic ink concept, with color display and multiple devices supported.Read more