keyplyr - 6:04 am on Aug 29, 2012 (gmt 0)
Also, the more followers you have, the more retweets you'll get. This generates a wider reach to all their followers, etc. etc. which in turn generates more parasite bot hits.
With my 21k+ followers, when I post a link I'll immediately see over 2 dozen non-human UAs, and another dozen or so withing the next 20 minutes, all blocked.
Every once in a while I see a new one.