Video: World Tech Update, Dec. 13, 2012

Catch up on the week's biggest technology news

Here's this week's episode of the IDG News Service's World Tech Update. This week, Nick Barber talks about Windows Phone 8 updates, the future of e-readers, Apple's iPhone 5 going on sale in China, and dogs that know how to drive cars.

Be sure to follow Nick on Twitter (@nickjb) as well as the official World Tech Update Twitter (@worldtechupdate) and Facebook pages (facebook.com/worldtechupdate).

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