I, too, caved and started tweeting again:
http://twitter.com/iWroteLazarus
It's also in my sig.
I truly don't "like" it, but it's necessary for me professionally. I've been de-following people lately, though. I really was only using it to subscribe to my favorite sites/celebs, because RSS feeds weren't doing what I needed and facebook fan page statuses sink to the bottom of my feed too quickly.