I'm not sure if I have an opinion of whether this is a good idea or not, but I did key in on context.

I've built tool at MindWallet that would have let these students tweet and capture context. Here is an example of notes I took at StartUp Houston a couple of weeks ago. It is in context and you can navigate up the tree if you want more context than can be found at this level.

http://www.mindwallet.com/?ItemKey=787541c7-0860-41ea-a21a-2...

A couple of days ago I added the ability to tweet in-line, from different accounts.

Here is what some of that looks like in context: http://www.mindwallet.com/?ItemKey=787541c7-0860-41ea-a21a-2...

Here is a horribly unedited video about how to use it: http://www.youtube.com/watch?v=rNpAH7AGhIk