"Why inflict anguish on a helpless stranger? It’s tempting to blame technology, which increases the range of our communications while dehumanizing the recipients.... But while technology reduces the social barriers that keep us from bedeviling strangers, it does not explain the initial trolling impulse. This seems to spring from something ugly — a destructive human urge that many feel but few act upon, the ambient misanthropy that’s a frequent ingredient of art, politics and, most of all, jokes. There’s a lot of hate out there, and a lot to hate as well..."
New York Times Magazine
And The Onion reports from another angle...