Researchers discover how normal people (like you) become internet trolls

The troll's post is coming from inside the house. Possibly even your house, in fact. 

A joint research project out of Stanford and Cornell Universities has determined that internet trolls are not just the rando online harassers that our parents warned us about, but also consist of plenty of first-time offenders driven to toxicity by a set of predictable factors. 

Trolling has a recipe, in other words. 

Just what is reportedly pushing your average Joe to the realm of internet-dickery? Two main indicators were identified by the research team: The tone of other comments, and the person's mood.