I have started twitter and facebook, as well. I'm still trying to get the hang of twitter, and I don't do much with facebook other than post my reviews. Social media is such a huge time suck, and reviewing books is a huge time suck. I have to prioritize my time sucks, as I like to also spend time with my kids (and I need that job of mine to finance my time sucks

).
I did recently figure out what #ff was, and #ss. Sort of. I had to google. I was hoping #ff wasn't some nasty shorthand swearing when my name first showed up on one. So I'm still figuring it all out, but if you want to follow someone really cool and only slightly confused (ok, more than slightly), I'm @GKMotherLode