"Social software" is a term that you may not be familiar with, but, I'm sure you've heard of its most famous example--MySpace. There are others, too--Facebook, YouTube, Flickr. These are all ways of sharing with friends, and, making new friends, online. Here's an article from Wikipedia on the subject. (Don't know about Wikipedia? Then click here.)
If you're completely in the dark. Then perhaps you should visit the library, and look for these titles:
Kelsey, Candice M. Generation MySpace: Helping Your Teen Survive Online Adolescence. [305.235 KEL]
Tapscott, Don. Wikinomics: How Mass Collaboration Changes Everything. [658.046 TAP]
If you're in business, you'd better familiarize yourself with the social networking movement--it's coming your way! If you decide to join in, make sure you do it right, here are a few hints.
Keeping up on social software is as easy as clicking on Social Software News. If you're like me, just about the time you become familiar with this social networking business, the kids will have started something new! It's just one of the joys of aging--being constantly two steps behind!