What Facebook Knows About You review – start panicking now!

The BBC's latest Panorama asks whether it's time to regulate Mark Zuckerberg's cultish dotcom. Plus, laddish app comedy Loaded soars when the women join in

Thirty-two million people in the UK have a Facebook account and globally that figure is closer to 2 billion. Likes, political affiliations, favourite bands: all of that data sloshes around in a big, unregulated tank for the advertising sharks to guzzle. No wonder Panorama: What Facebook Knows About You (And What it Does With Your Information (BBC1) is asking the question: is it time to regulate Facebook?

As is often the case with the half-hour documentary format, we barely scratch the surface of the who and how here. Reporter Darragh MacIntyre could have done with more time to sum up his research and extensive US interviews. But I get the feeling even a six-part series wouldn't be enough.