Lewis Wiltshire is head of sport at Twitter UK:
There were 16.5 million tweets about Euro 2012 final yesterday, hitting peak of 15,358 tweets per second at moment Spain scored their 4th.
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Imposing age ratings on music videos is a step in the right direction but it's currently impossible to police endless inappropriate content.
A body has been found in Ireland in the search for one of the so-called Disappeared, 23-year-old Brendan Megraw killed in 1978.
The position, posted on the British Monarchy website, pays £16,000 a year for 20 hours a week.