Facebook says likely Russian-based operation spent money on ads on issues
https://www.reuters.com/article/us-facebook-propaganda/facebook-says-likely-russian-based-operation-spent-money-on-ads-on-issues-idUSKCN1BH2VX
Facebook Inc said Wednesday it had found that an influence operation likely based in Russia spent $100,000 on ads promoting divisive social and political messages in a two-year-period through May.