https://www.theregister.co.uk/2017/09/07/facebook_russian_political_ads/

Facebook has 'fessed up to taking “approximately $100,000 in ad spending” from 470 fake accounts connected to Russia and which published spots “amplifying divisive social and political messages”.

The your-life-rendered-as-ads company says it found the ad spend as it continued to probe whether it had been used as part of alleged Russian interference in the United States electoral process.