. We also find evidence of “falsehood echo chambers”, where users that are more often exposed to misinformation are more likely to follow a similar set of accounts and share from a similar set of domains. These results are interesting in the context of evidence that political echo chambers are not prevalent, as typically imagined

The researchers examined social media patterns for 1.2 million Facebook users and found that nearly 92 percent of those who engage with Italian conspiracy theory pages interact almost exclusively with conspiracy theory pages.