If any of my exes are worth giving the time of day, I'm still friends with them anyway. If I'm no longer in touch with them, there's probably a reason for it.
That said, I *have* Googled one ex in particular a few times simply to get an idea of where he is...so that I can be anywhere BUT there. He's been known to find me, and I'd like to avoid him. (In fact, it happens every few years, so he's about due to do it again...HA! COME FIND ME NOW, SUCKER!) So, I guess you could say I do a bit of counter-cyberstalking. LOL