Twitter is leakier than a hedgehog's underpants. Isn't that one of its best uses – as a messageboard for the disclosure of cheeky, sneaky revelations? Mark Upton, the senior civil servant who has just been collared for tweeting rude remarks about his political bosses at the Department for Communities and Local Government, obviously thought so. For months he used the handle Naked Civil Servant to anonymously pour scorn over Eric Pickles and Grant Shapps, most entertainingly in a tweet on the day of the Royal Wedding which joked that the pair had come as Wills and Kate to a departmental fancy dress party.














