U.S. Army specialist Ethan McCord was one of the first on the scene when a group of suspected insurgents was blown up on a Baghdad street in 2007, hit by 30-mm bursts from an Apache helicopter.
The economy may be troubled, but one area is thriving: social media. They begin with Facebook and extend through a dizzying array of companies that barely existed five years ago: Twitter, LinkedIn, Groupon, Yammer, Yelp, Flickr, Ning, Digg–and the list goes on