I have always walked away, convinced that it's a real-time medium that requires constant attention, because I find it to be nigh impossible to read up on any discussion ex post facto.
That is especially true for any discussion with more than two participants — those are tree-ish in nature to me, and for the life of me I cannot figure out how anybody makes sense of them in Twitters one-dimensional chronological organisation.
Help please?
YMMV, but I also think the emphasis on "conversations" is a bit misleading. Lots of people do have conversations on there, but I personally love it for breaking news, link-sharing, jokes, and photos. If your frame of reference is a forum with posts, or an article's comments, or a real-life conversation... you're going to have a bad time.
I have no doubt this says more about me than about Twitter, but I never could never see a way around it. Similar experience with Reddit, comparing the default front page to one tailored to the subreddits I enjoy the most. Of course I gave up on Reddit too after a while...
Thanks! Maybe I should try to treat it more like the worlds' biggest IRC channel then. I will give it another shot some day…
So to answer your question, I think users get the most out of it who have a need or want for actively engaging in <em>something</em>. My followers who I do interact with most are either other creators or heavily-invested fan.