So yesterday I signed up to two things that are hot at the moment. Twitter is microblogging. 140 character messages from mobile phone or computer. Full on it looks like this: http://twitter.com/public_timeline 
And here is my little beginning: http://twitter.com/Bruciebabe

Naymz is yet another form of social networking. But this time it serves as a central point for everything you do on the internet. Here is mine: http://www.naymz.com/search/bruce/everiss/2335582
It has good tools for importing your address book so it is easy to get going. If you can be found at multiple places on the web this makes good sense, as you can see from my entry.