My email address is my first name (Robert) at this site's domain.
"Social networking" is a ridiculous waste of time, compromises your privacy and the privacy of your friends and family, and is less efficient than using e-mail, IM, a phone call, or even a simple face-to-face meeting.
There is a user with the handle of "rtomsick" on Twitter.
He's not me. I do not, and will never, "tweet".
US: +1-919-283-9292
International: Use e-mail. It's cheaper.