Using a method that analysed Twitter users' brain activity while they were tweeting, a team of researchers has found that strong emotional arousal is what makes some users get obsessed with the micro-blogging site.
Even a star as big as Shah Rukh Khan can succumb to embarrassment. And this is the reason why King Khan chose to quit social networking sites. The actor, who was one of the most active celebrities on twitter, has off late refrained from tweeting, only to avoid answering weird questions. Moreover, the star believes he is not somebody who can handle embarrassment.