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The possibility of a gadget world without wires took a big step forward Thursday when 14 of the biggest names in consumer electronics said they would work with Sony on its short-range, high-speed "TransferJet" wireless data system.

Amazon.com's Kindle has turned a long under performing category of tech gadget -- e-book readers -- into an overnight hit, and in the process has boosted interest in electronic paper display (EPD) technology. The Kindle and its rival, the Sony Reader 505, both boast e-paper displays that look unnervingly like printed pages and consume next to no power. However, today's EPDs -- and today's e-book readers -- are only the beginning.