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"Regional chapters of the Proud Boys, a right-wing nationalist group that Twitter suspended last month for its “violent extremist” nature, maintain private Facebook groups, which they use to vet new members." https://www.nytimes.com/2018/09/03/technology/facebook-private-groups-alex-jones.html …
'And anti-vaccination groups have thrived on Facebook, in part because they are sometimes recommended to users by the site’s search results and “suggested groups” feature.' https://www.nytimes.com/2018/09/03/technology/facebook-private-groups-alex-jones.html …
