StumbleUpon:  http://mysticgeekhtg.stumbleupon.com/

Lifehacker: http://lifehacker.com/commenter/mysticgeek.htg

MySpace: http://www.myspace.com/mysticgeeksrealm

Twitter: http://twitter.com/mysticgeek

I know this is a rather small list, I will add more as I have time. If you would like to see me create a profile on a particular network which you are a part of just leave a comment!