Well Social Networking Sites sometimes make me bored. Twitter is a good one to share thoughts and opinions quickly
My vote goes to facebook. There are a lot of users that are addicted to facebook because of its features and for SEOs the traffic that they are getting in using the fan page feature that it has.
Facebook ,twiter,orkut,diggit, StumbleUpon etc.....these are the some best social networking sites, to connect to the word.i will go thate sites.
Here are my list: Facebook, Twitter, StumbleUpon and LinkedIn. I always use them for promoting my site as well as for connecting with other people.
These are the favorite Social Networking Sites. face book Twitter Stumble upon.com Squidoo Linkedin My space Style.Fm