When should you unfriend someone on Facebook?

 

The nature and ethics of “fake news” has become a subject of widespread concern. But, for many of us, the issue is much more personal: What are we to do when a cranky uncle or an otherwise pleasant old friend persists in populating our news feeds with a stream of posts that can run deeply contrary to our own values?

One option is to unfriend people who share material that conflicts with our values. But a siloed environment where people self-select into echo chambers could also be worrisome. As a researcher working on the ethics