jimbeetle - 9:32 pm on Aug 22, 2010 (gmt 0)
Be sure to read P1R's explanation in that thread on how the Twitter nofollow links ultimately get followed:
I can tell you that NoFollow is just there for the first part of the equation. Once you Tweet, and the API bots pick it up, that NoFollow get's stripped and away she goes! I know, I've watched it over and over again. My logfiles are a clear sign of what happens immediately after Tweeting a link.