Danah Boyd – one of the most incisive thinkers about how new technology is reshaping our lives (and more importantly to readers of this blog the lives of teenagers) – was recently hired by Microsoft Research. She gave a talk that summarized at a high level the history of social media, how teens and adults use it differently, and policy and behavioral implications for all of us to consider.
Its brilliant. Go read it. It will only take about 15 minutes and you will learn something – I guarantee it.