[This is maybe the fourth response that Biz has had to write, and it’s the only good one][link]. The gist: Twitter screwed up and removed a feature that a lot of hardcore users loved. When they “fixed” it, [the explanation][expl] of HOW they fixed it made almost no sense to anyone.
Now they’re fixing it for real, I hope. The original setting will not return, though.
[link]: http://blog.twitter.com/2009/05/replies-kerfuffle.html “Twitter Blog: The Replies Kerfuffle”
[expl]: http://blog.twitter.com/2009/05/we-learned-lot.html “We Learned a Lot”