Factbox: Track Facebook's fight against disinformation campaigns in 2019
https://www.reuters.com/article/us-facebook-disinformation-factbox/factbox-track-facebooks-fight-against-disinformation-campaigns-in-2019-idUSKCN1V91V4
Facebook Inc and Twitter Inc said on Monday they had dismantled a state-backed information operation originating in mainland China that sought to undermine protests in Hong Kong.