Next week, 180 cities across the world will unite in raising funds for the non-profit charity : water at a series of Twestival events, attended by the Twittering community.

I am delighted to be taking part in The Edinburgh Twestival, which will be held on Thursday 12 February 2009 at 7pm at Hawke and Hunter, 12 Picardy Place, Edinburgh EH1 3JT.