Facebook has its uses, but overall LJ still feels like home. The main reason I'm on Facebook is, as you note, event invites. And also the fact that so many people I know are on there but not here.

I do find that the ease of posting short little tidbits on FB can be seductive. But when all online social interaction gets reduced to those, we lose a lot of real connection. You can't really express anything very complex or challenging in the textual equivalent of a TV sound-bite...