I must admit, I have only this year begun to join some of the social networking sites...not so much to find friends, but more to learn what the sites are about, and mostly to post my thoughts, ideas, blog links, and so on.

That said, I also must admit that I did find some friends, and learned a lot of things from others at these forums...so now I am pretty much "addicted", I think!

Some of my favorite sites are: