The past couple of weeks in the news have truly highlighted how influential social media are as far as how we communicate globally and spread news. From the post-election unrest in Iran to the lightning-fast spread of the news of Michael Jackson’s death, social networks like Twitter and Facebook are outpacing traditional news media significantly. Clay Shirky, in a recent TED Talk, shares his thoughts on how social media is influencing the course of politics and history. The video is about 17 minutes, but well worth your time to watch: