Psychology Today (via Charles Arthur):

“Cancel culture” describes how large groups of people, often on social media, target those who have committed some kind of moral violation. They are often cast out of their social and professional circles. Both the term “cancel culture” and the activity itself are becoming more popular. Especially among young people.

Here are 5 reasons why cancel culture is so effective.

Grim reading but just another byproduct of (anti-)social media.

How to fight lies, tricks,and chaos online is a useful roundup of what to look out for.