These days, you can’t go online without bumping into someone styling himself as a social media guru, a Facebook expert, or a power user of Twitter. And, if you check their online profiles, they actually do have thousands of friends and followers. But are these real friends, or did the supposed expert socializers simply crank up an automation software to rapidly build their follower base? Surprisingly, how capable of being social a person is can be revealed by a brain scan. […]