Nottingham Uni student James Donald has crunched the numbers and found that the younger an MP and the smaller their majority, the more likely they are to use Twitter.  Unsurprisingly, younger MPs tend to tweet the most.  Micky Fabricant being the exception that proves the rule…

MPs with majorities under 10% are relatively prolific users, with those in safe seats much less likely to bother:

Makes you wonder whether they are doing themselves more harm than good…