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'If we’re going to build a safe community, we need to respond quickly.'
MPs urge government change law to crack down on tech giants.
Facebook and ASKfm were rated the 'riskiest' sites.
Facebook is struggling to police its own content.
And don't ask your mum.
It's a brave new world.
'It will one day will let you communicate using only your mind.'
Lord Sugar, Professor Stephen Hawking and the Queen featured in paid-for hoaxes.
The group found the new 'Joe McGrath' on Facebook.