Blackberry's Playbook
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Blackberry shows off Playbook tablet

In all the talk about smartphones like the iPhone, Android and Windows phone 7, one of the pioneers in the field seems almost forgotten - the Blackberry.

But Rory Cellan Jones, at the Mobile World Congress in Barcelona, met up with Jim Balsillie, the joint CEO of the company behind Blackberry, Research in Motion.

Go to next video: Why Nokia and Microsoft joined up