World Tech Update, April 21, 2011

By IDG News Service, PCWorld Apr 22, 2011 3:00 AM

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On World Tech Update this week, Apple alleges that Samsung copied the iPad, RIM's BlackBerry Playbook goes on sale, robots go where humans can't at the crippled nuclear power plant in Japan, Google lets U.S. users customize maps and Kohler debuts a tech-filled toilet.

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