A gadget’s life: From gee-whiz to junk

Web-connected and 3-D TVs are the buzz at this year’s Consumer Electronics Show, but it hasn’t even been that long since TV went digital. Here’s a look at which gadgets have gone from obscure to ubiquitous over the past 30 years, and how their prices shrank along the way:

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NOTE: 2010 data are estimates and 2011 data are projections. GRAPHIC: Alicia Parlapiano / The Washington Post - January 10, 2011.

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