What can science fiction tell us about the future of social media?

Right now, you are reading a piece of social media. That means it's designed to be passed around on social networks - though it appears on, can easily be transplanted to Facebook, Twitter, Stumble Upon, and dozens of others. Or it can be converted to email or a text message you can pass along to people who've… »3/14/11 6:24pm3/14/11 6:24pm