Yep, I agree with moe on this one: you just get more churn. In Get Satisfaction's case, I signed up because I wanted the comment to get there, but I deliberatel

Yep, I agree with moe on this one: you just get more churn. In Get Satisfaction's case, I signed up because I wanted the comment to get there, but I deliberately used a low-grade address, and have forgotten my details already. I won't be going back there.