Dave Winer is always inventing things. He just invented an easy way to start a discussion about a tweet. Dave explains Discussions in Twitter:
Yesterday I soft-launched a little project I'm working on called twdsc.us. Today the service gets a little more real, because now you can create discussions around tweets too, and not just your own tweets, anyone's. In other words, this could get interesting."Here's a discussion I started about Brandon sheets doing a bad thing on spymaster.