What is Twitter, Facebook, Digg, Del.icio.us, Flickr, Squidoo, and all the others?

You’ve heard about Twitter and Flickr, Digg and Facebook, right? But maybe you have no idea what they do, or why so many people care about them. The whole point of the sites below is to build and expand your ONLINE network. Similar to going to a conference or “belly to belly” networking luncheon – […]