Wearable tech all the rage at CES

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We’re at the Consumer Electronics Show in Las Vegas, where wearable tech is the buzzword. The BBC's Rory Cellan-Jones tells us all about it, and the rest of the show’s big themes. We hear about Indonesia's efforts to tighten airline safety as the search for more debris from the Air Asia flight continues. Plus millions of dollars' worth of high end sports cars are abandoned in a cargo ship off the south coast of England after it was deliberately run aground. Our reporter Nick Davis meets some amateur genealogists in Jamaica and Lisa Pollack from the Financial Times talks to us about social media ‘airbrushing’ and what our Facebook profile probably doesn't tell us about ourselves.