So in 2016, after Rodrigo Duterte used Facebook to help him get elected, this “friends of friends” algorithm, along with his divisive us-against-them rhetoric, further radicalized Filipinos. If you were pro-Duterte and you were getting recommendations for posts from friends of friends, you moved farther right. If you were anti-Duterte, you moved farther left. And over time, the chasm between the two sides grew. This has been a global theme; substitute Narendra Modi, Jair Bolsonaro,
