I'm a sucker for nice infographics. Even better if the infographic is about me. (grin) Archivist will track and capture your Twitter stream and then report back on you MIX. (thanks to @andrewspong for the link)
So looking through the little icons in the group of 100 I am about to unfollow, and seeing all the attractive women, the snappy logos, the identifiable brands in the tweetstream, I notice that unfollowing whole groups of them did not cause me to flinch. And you also get this unexpected benefit: the next time you are going on a Twitter research tour, you can REDISCOVER the tweeters you have unfollowed and you can follow them again.
We're all learning this process in our own ways. Some people like to tweet about TV shows and what food they are eating or making. That's cool, but not for me. And I'm not for everyone either. I try not to get bummed when going through the "not following you" section and learning that some of my real-life friends are no longer following me. One friend said, "I was following you for a bit, but you are insane. 90% of the time I have not idea what you are talking about. So I had to unfollow you."