I'm referring to the 2016 genocide in Myanmar:

https://www.pbs.org/newshour/amp/world/amnesty-report-finds-...

https://systemicjustice.org/article/facebook-and-genocide-ho...

In short:

> Facebook contributed to a genocide in Myanmar. Scholars, reporters, and United Nations investigators agree that the social media giant played a role in an explosion of ethnic conflict in 2017 that led to the death and displacement of hundreds of thousands Rohingya Muslims in Northern Myanmar.