Twitter Spam

image Is it just me or is Twitter spam on the increase? I have had a stream of notifications of today telling me that someone is now following me. You can tell that these are spam accounts as they have only one update and multiple followers. Oh, and the scantily clad woman in the picture is also a bit of a give away! You can block these individually but what would be really good would be if I could reject anyone who has, say, less than 10 updates.

There is a Twitter feed with advice and guidance on spam (@spam) but it is pretty limited.

Is anyone else having this problem and do you have a solution?