I spend too much time on Twitter. I timed it. If I could, I would even spend my whole day there. It's a little bit like sitting in a merry round of handpicked people without having to say anything. It's perfect for the moderate socially anxious!
Sometimes, just sometimes, you really get to interact with people. But some seem to have troubles grasping the conversation culture that prevails there. So these are a couple of things you should take into account before sprinkling your timeline with @Replies.