As Google continues to shove its social network, Google+, down users' throats, the concept of engagement—a rather crucial component of a social community—seems totally lost on the seemingly socially inept company. While it boastfully claims nearly 100 million users worldwide, mostly drawn from those inadvertently signing up while using other Google products, Google+ remains a virtual ghost town.

It's a war of the tech titans. The "Don't Be Evil" Google, which has been taking a lot of flack during the past year for questionable activity—most recently circumventing Apple's Safari settings—seems to be getting under the skin of its biggest enemies these days. While the battle with Apple in the mobile space is far from over, the search engine giant must now contend with Microsoft's latest round of attacks as well: an ad campaign that takes pretty obvious shots at the company's practices. 

The modern definition of "troll" is someone who dedicates themself to stirring up anger online. A pitiful existence, to be certain, but the immoral bravado that internet anonymity seems to give people has nonetheless fostered such a breed of human.

Everyone has seen the bizarre behaviours of trolls online—but what are they like in person? What does a man who spends his days insulting others online look and act like in real life? The British Broadcasting Corporation wanted to find out.