I suppose very, very occasionally you might be able to say something of value as the Twitter phenomenon decrees.
Id est in 140 characters. Or less.
Let's give it a go.
"How can my soft, gentle T-shirt clothing tag slice away at the nape of my neck like a Stanley knife?"
I can't even be bothered to count. That must be 140 or thereabouts.
If Stephen Fry's twittering cannot grab me, I am afraid there is no hope for me and Twitter.
If I wanted to answer the same question – what are you doing now? repeatedly – then I'd adopt a 2 year old. Then another one for each calendar year.
It is a question I can answer in just 9 characters.
Including space and exclamation mark!