Men are less likely to talk than women with 54% of women having had a conversation compared to 37% of men.
David Cameron Heckled By 2012 Volunteer
David Cameron's been heckled by an official London 2012 volunteer during a speech to mark the month-to-go countdown to the start of the Olympics.
He was told that he should be "ashamed of himself".
The Prime Minister was making a speech to about 200 Games Maker volunteers at a visit to the official uniform distribution centre in east London when the protester stepped forward.
Just 22 seconds into Mr Cameron's speech, the protester, dressed in the purple and orange official uniform, shouted: "Shame on you, David Cameron - you are crippling the poor in London. Shame on you..."
He tried to carry on speaking but his words were drowned out by other volunteers and he was ushered out of the room.
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A man has been fined £1,800 for flying drones over Parliament, near Buckingham Palace and over football stadiums.
Government to investigate after some restaurants accused of withholding tips
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