I dont use any. i stick to using my phone/texting
I use Facebook and Msn, but i love Msn the most.
Instant Messaging > Facebook chat.
Facebook and Live Messenger for me.
Btw, is Twitter a social networking site?
facebook.. i rarely go on msn and i deleted my bebo any myspace (bebo because it's lame and myspace because i kept getting added by **** bands and whores)
Facebook, like normal people. Deleted Bebo after constant adds from overweight 14 year olds. Never really had Myspace and rarely on msn these days..
Used to use bebo until I got 20-30 "friend" requests a day from losers trying to increase their friend/ page view counts. I use MSN more often, but lately it's being annoying and not letting me connect so I've had to put up with crap alternatives
most people use more than 1 so poll not gonna work as u gotta pick 1