Research: Meta's ban on anti-government "Boogaloo" content initially worked, but after 18 months, in late 2021, the volume had nearly returned to pre-ban levels (Brandy Zadrozny/NBC News)

Brandy Zadrozny / NBC News:
Research: Meta's ban on anti-government “Boogaloo” content initially worked, but after 18 months, in late 2021, the volume had nearly returned to pre-ban levels  —  Members of the loose-knit Boogaloo movement who found each other online joined armed protests against Covid lockdowns.