I will continue to chart what happens to my Twitter following for the next several days.
It appears that the greatest decline occurred within 10 hours of unfollowing my list, when 80 percent of the follower loss occurred.
By yesterday at 11:30AM (12 hours after hitting zero), I had lost 3,500 followers. After that, I lost about 100 followers every six hours, and the rate appears to be slowing. It seems likely that I've lost all the people who use applications to automatically unfollow people who don't follow them back, and now I am being unfollowed by people who do so manually. (I predict that the rate of unfollowing will continue to slow until the weekend (starting tomorrow), and then there will be a larger uptick when weekenders login to clean their lists.
It is still too early to hypothesize about what impact will come to my @reply rate, my click through rate, or my re-tweet rate. So far, however, those stats don't seem to have changed at all.
Thanks so much for sticking with me as I conduct this experiment!