Far to many social networks

Seriously, there are hundreds of fricken social networks. I think all of my friends do at least one social network the others don’t.

I currently do:

I have given up on quite a few over the years, because they either don’t gel with me or I found I never use them. Most are inactive, but I fully left the MySpace.

What do you do and why?

Also related check out these funky little social network icons!