As someone who has tweeted (twittered... I'm actually unsure of the past-tense of the verb 'to tweet' now I come to think of it) profusely for some time now, there is one thing I've noticed - twittering and blogging are, in more instances than not, things that go hand-in-hand - it is a shame then, that someone I had come to admire on the BBC has branded blogging as the "spewings and rantings of very drunk people late at night".
I'm sure that Andrew Marr did not mean all bloggers, but it is unfortunate that he did not seem to make much of a distinction in his statement.