Social media users tend to share news that confirms their beliefs, even if the news is false
If internet users are predisposed to believe false information that confirms their prejudices — and if they enthusiastically take part in spreading conspiracy theories — then falsehoods may be endemic to mass online communication platforms. This issue is more difficult for Facebook, whose algorithms rely heavily on a social signal that comes from what a user’s friends are sharing. If its users promote unreliable information — particularly if it is not easily categorised as “news” — it will spread rapidly….