Doing it again!

I'm sure I've talked before about my short attention span and about how I get into something on the net and then get bored.
I signed up for facebook a while ago and threw myself into it with gusto. I was looking there yesterday and find that I have 322 friends (I know a fraction and actually interact with a handful) I am in 40 groups (I visit 2)and I'm getting sick of all the junk.
Time, I think, for a clear out