World Tech Update: Windows Phone 7 Update Delayed, Facebook Offers Movie Rentals and More

In World Tech Update this week: Sony's CEO taps his likely successor, a Windows Phone 7 update is delayed, space shuttle Discovery touches down for the last time, Facebook offers movie rentals, gadgets keep us awake, VeriFone accuses Square of enabling skimming, and Cisco's home video conferencing system gets an update and price cut.

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