Facebook -- great place to find me as I am active with my mainstream stuff there (and well, a couple of games).
http://www.facebook.com/julie.kuusilehto
I have twitter, G+ and Pinterest, but they are much more mainstream. I usually keep the adult and mainstream very separate. I no longer have to worry about an employer, but I do have a good number of friends and family that have no clue about the adult side of me, and I prefer to keep it that way.