Fake bomb threats: a vast number of hoaxers have posted mass bomb and shooting threats to 4chan, prompting several arrests and evacuations.4chan has successfully gotten a swastika to trend on Google. Google- and poll-bombing: voting or searching for the same terms en masse, to either sabotage an online vote or make a topic trend artificially.The cyberbullying of Jessi Slaughter: one of the earliest high-profile incidents of cyberbullying, in which 4chan members sent death threats and calls to an 11-year-old girl who would later make multiple suicide attempts.

Gamergate has since wrecked the lives of several female gamers and commentators and spawned a larger discussion about the way that industry treats women.