" Facebook would eventually admit that Russia had employed 470 “inauthentic accounts and pages” as part of its influence campaign. It worked. One page, Secure Borders, got 133,000 followers before it was closed down. The page dubbed immigrants “freeloaders” and “scum.” Moscow spent $100,000 on more than three thousand ads, Facebook said. The numbers could be higher, Mark Zuckerberg, its CEO, acknowledged later. "

― Luke Harding , Collusion: Secret Meetings, Dirty Money, and How Russia Helped Donald Trump Win