TECH - Four Big Questions (and Predictions) for Social Media in 2013

Social media, as we know it today, has not been around for very long. Both Facebook and Twitter came into being less than decade ago and really only gained public consciousness over the past five years. Ditto for newcomers like Instagram, Tumblr and Quora, the oldest of which is just five years old.

http://www.forbes.com/sites/alexkantrowitz/2012/12/28/four-big-social-