https://www.theguardian.com/technology/2018/nov/15/definers-republican-firm-plan-defend-facebook-attack-rivals-soros

Revelation that Definers had used George Soros as a target to defend Facebook unleashed an immediate storm of protest

It was a beguilingly simple idea. Take the tricks learnt by political campaign managers on how to boost your candidate’s standing while ruthlessly undermining that of rivals, and apply it lucratively to the corporate world.