This afternoon I started a Facebook page.

Now don't get excited and go looking for me there. If I've done it properly, you shouldn't be able to find me. Which, I know, kind of defeats the purpose.

But, the thing is, it's not for me, it's for a class I'm teaching next semester, just an information conduit for the students, to save them having to wade through the university email system to get info about what's going on in the course. I'm told that several of them use Facebook quite often.

And not...