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Facebook buying WhatsApp for $19bn

20 February 2014 Last updated at 00:11 GMT

Facebook has bought messaging app WhatsApp in a deal worth a total of $19bn (£11.4bn) in cash and shares.

The app, which has 450 million users, is another way to send instant messages at no cost, but Facebook already has its own means of doing that.

Mike Butcher, from, explained why he believed Facebook was making the purchase.