How does Twitter spam work?

The twitter spam business plan has 3 phases. – Phase 1: Follow tweeple; Phase 2:??; Phase 3: PROFIT!

Read on to reveal the mystery behind those question marks…

…Russian spammers find your blog. This is a proud day for me. I have popped up on the automated radars of Russian comment spammers. Now the question is, how do I deal with this situation? Can anyone recommend a good WordPress plugin for comment-spam prevention?