Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Aug 2, 2012
Coming up on World Tech Update this week the patent battle between Apple and Samsung continues, Microsoft intros new Windows 8 hardware, a modular data center saves power and NASA's Mars rover readies for touchdown. Follow WTU and host Nick Barber on Twitter @nickjb @worldtechupdate