Five things we learned from Mark Zuckerberg's European parliament appearance

The format didn't let MEPs question the Facebook boss too deeply - but there were worries over its monopoly

1. The European Parliament's chosen format was a terrible way to elicit answers from one of the most powerful people in the world.

Mark Zuckerberg's appearance in front of the European parliament's conference of presidents was a long-awaited opportunity to press the founder of the world's biggest social network - which also owns Instagram and WhatsApp - on his company's global influence and use of personal data following the Cambridge Analytica scandal.