Lawmakers Are Warned That Russia Is Meddling to Re-elect Trump - New York Times, February 20 2020
Rather than impersonating Americans as they did in 2016, Russian operatives are working to get Americans to repeat disinformation, the officials said. That strategy gets around social media companies' rules that prohibit "inauthentic speech."
It is Bloomberg, working as a Russian operative, who pays the trolls that repeat disinformation.
Twitter suspends 70 pro-Bloomberg 'spam' accounts - The Hill, February 21, 2020
The temporary employees recruited by Bloomberg's camp are given the title "deputy field organizer" and make $2,500 a month to promote his White House bid among their followers. The employees can choose to use campaign-approved language in their posts.
Twitter said the practice violated its "Platform Manipulation and Spam Policy," which was established in 2019 to respond to Russia's expansive troll network that was tapped in 2016 to meddle in the U.S. elections.