Actors use it, footballers and other sportsmen use it, even educated dustmen use it. Yes, everybody’s mad for social media. Well not quite everyone – lawyers, according to our survey of senior practitioners at major law firms, are not as smitten with the joys of being able to broadcast one’s breakfast cereal of choice, or the fact that one requires the lavatory (see a recent tweet from a US athlete arriving at Heathrow for the 2012 Olympics), as the wider global population. A full quarter of respondents said they couldn’t be bothered; for those who could, the business network LinkedIn is the clear winner.