If auto-follow back is allowed but auto-unfollow back is not allowed, that actually plays in favor of spammers in a big way!
Now a spammer can use the tactic to follow/wait for follow-back, then unfollow you, knowing that now thanks to Twitter's infinite wisdom, the automated auto-unfollow-back services no longer exist because they violate Twitter's rules, so no company offers this anymore. So now if you setup an auto-follow-back feature with one of the many free services that provide it, you are instantly becoming a potential victim of bait and unfollow schemes. I can certainly understand that automated unfollowing can hurt Twitter business since they work hard on making people follow more people, hey, they even added these infomaous (annoying sometimes, maybe?) "Who to follow" block on the Twitter pages. It's very clear to see that Twitter wants you to follow more people, and applying the same logic, it's easy to see that they really really don't want you to unfollow large number of people. I know Twitter developers are very smart people, but for the love of God, don't you see that this ban on automated unfollow benefits the spammers big time?! I think Twitter should think of a new category of automated unfollowing called "auto-unfollow-back", meaning that automatically unfollowing those who unfollowed you should be considered a special case and should be allowed, just like auto-follow-back is allowed! If you agree with me, please just reply and say "Right on"! If you disagree, then please explain why not. Peace! -- Twitter developer documentation and resources: http://dev.twitter.com/doc API updates via Twitter: http://twitter.com/twitterapi Issues/Enhancements Tracker: http://code.google.com/p/twitter-api/issues/list Change your membership to this group: http://groups.google.com/group/twitter-development-talk