Potentially something to think about -- while I can't ever really see myself using Twitter for such, that's the second entrepreneur that I've known to have that idea recently.
It should just be a matter of synching things to an RSS feed, no? I can imagine that having other applications.
2. Yep. We're first focusing on companies because that's the one we're most familiar with. That being said, there's no reason a student couldn't use it the way it stands now ...