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Facebook hits 500m user milestone

Social network giant Facebook has registered its 500 millionth member, the firm has announced.

The site, which started out as a college experiment, has gained around 100 million new users in the last six months.

Facebook said the number was "an important milestone" and added that it was "humbled and inspired" by the stories of its users, which it is asking people to share on the site.

Nicholas Owen spoke to Facebook's director of European policy, Richard Allan.