Trolls participate in disruptive, sometimes malicious online behavior with the goal of provoking a reaction. Typically, they act for their own entertainment and believe nothing they say or do online should be taken seriously. The line between trolling and harassment is blurry and unsettled, a common topic of debate amongst everyone from academics to the trolls themselves.

4chan is hunting for Shia LaBeouf’s secret livestream location—again
4chan has caught him four times before. Can they do it again?
Here’s how Twitter plans to shield you from abusive tweets
CEO Jack Dorsey says Twitter is taking a 'completely new approach' to the problem.
Merriam-Webster schools Kellyanne Conway on facts with one perfect tweet
Allow the dictionary to provide the definition.
Comedian mercilessly trolls Hollywood director over stiffed tip
Ben Avery claims he was stiffed on a $950 delivery. Then things got personal.
Couple hilariously trolls police wildlife camera with bizarre costumes
This is not what the police were looking for.
The 16-year-old Trump retweeted is an internet-famous troll
This wasn't his first viral tweet.