Zuckerberg admits Facebook 'should have done more' to prevent the data leaks
Zuckerberg to send flunky to give evidence to Parliamentary select committee
Zuckerberg should employ a "team of moaners and cynics".
But Elon Musk hits back suggesting that Zuckerberg 'has limited understanding of AI'
Launch planned for October as Facebook plays catch-up in VR
Revenues also surged from $5.8bn to $8.8bn
Google chairman believes AI can solve challenges like climate change and tech firms need to work together to make it happen
'You can think of it kind of like Jarvis in Iron Man,' says Facebook chief
Also reveals game-building past