And while the election has come and gone, fake news stories continue to proliferate on social media. Worse, as we'll discuss below, demonstrating the factual flaws in a story can actually increase its social value. But for the purpose of marking social identity, fake stories can be even more powerful. If, however, the news you post is fake, outsiders are more likely to be outraged. This infuriated response makes posting fake news a convincing signal of your allegiance to your in-group.

Source: CNN November 20, 2016 21:53 UTC