I've gone to the Consumer Electronics Show for years, and generally the innovations there are because something is bigger, faster or brighter (think TVs and audio gear). Occasionally you'll find a company that's rethought a common object -- like, say, an iPod dock -- and done good things with it, but mostly it's the same stuff you saw the previous year, just refined and reengineered. For 2009 the commodity item at the show seems to...

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