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Why did Facebook spend $2bn on virtual reality?

26 March 2014 Last updated at 19:43 GMT

Facebook has announced it will buy Oculus VR, a Californian company which specialises in virtual reality products, for around $2bn (£1.2bn).

The company's flagship product, the Oculus Rift, is a goggle-like "immersive" headset for video gaming.

But what now makes virtual reality so important to Facebook and a host of other businesses? Rory Cellan-Jones reports.

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