My profiles around the web:

Couchsurfing – Best site for finding locals who will host you on your travels
Twitter – This is my main Twitter profile.  I also post location updates @locolocation
TravBuddy – Meet other travelers or travel-loving locals
Travel Blog Exchange – Biggest community of travel bloggers on the web
FormSpring – Ask me anything!  You’re welcome to ask anonymously, and I’ll answer for everyone.