https://motherboard.vice.com/en_us/article/vbj4qb/how-fracking-companies-use-facebook-surveillance-to-ban-protest

There’s a struggle going on between companies that want to drill for shale gas in the UK countryside and campaigners trying to stop them. Now, the struggle is waging online.

Revelations about how Facebook data has been used to target individuals for political ends continue to emerge. But after the Cambridge Analytica scandal of earlier this year, the story has taken an unexpected twist: Facebook is being used by oil and gas companies to clamp-down on protest.