Facebook to unveil mystery 'Android-related' product

Facebook is set to unveil a mystery product that has something to do with Google’s Android operating system for mobile devices, a move that coincides with rapid growth among the number of users who access the social network from smartphones and tablet computers.

The company hasn’t said what it plans to reveal during the event at its Menlo Park, California, headquarters, today, but speculation has centred on a mobile phone made by HTC Corp.