How Accurate is Facial Recognition? And Facebook's App Center

This week we look at Klik, the new photo sharing app that recognizes your friends' faces automatically. But how accurate is it? Plus Facebook announces a new way to annoy you... er, help you discover apps.

This week we look at Klik, the new photo sharing app that recognizes your friends' faces automatically. But how accurate is it? Plus Facebook announces a new way to annoy you... er, help you discover apps.