Netflix, Google Wallet, Falling Satellites, and More

On World Tech Update this week, Google's Eric Schmidt gets grilled by a congressional antitrust panel as his company launches Google Wallet, Bill Gates tops the richest Americans list, libraries can now loan e-books to users of Amazon's e-reading app, Netflix comes clean about its price change, Panasonic's Evolta robot prepares for a triathlon, and NASA anticipates a defunct satellite's fall to Earth.

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