In the vast, labyrinthine world of social media, there is a peculiar breed of individual - the troll. Armed with snarky comments, memes and a truckload of GIFs, these keyboard warriors are like the court jesters of the digital age.
They pop up in comment sections and threads like unexpected punch lines in a stand-up comedy show. But what drives them to be the way they are, and what happens to their victims when they launch their digital attacks?