Facebook and Twitter have dominated social networking for a few years now. (Yes, there is LinkedIn and others, but who really uses them? How many people do you know who've logged in this week?) In contrast to everything else, Facebook and Twitter are used far more. As a testament to Facebook, just think about who you have as a friends. My friends range from former students, to high school buddies, to family, and business associates. Both my dad and my niece are my friends on Facebook and I watch them use Facebook like crazy. They run in totally different circles, communicate with totally different types of users, use Facebook in different ways, but we all are able to maintain a unified connection with each other. To me Facebook has become the online catalogue for my relationships. Regardless of who you are there are enough people on Facebook to make it useful to almost everyone. It's a giant catalogue of pictures, postings, musings, comments, and the latest news from ...