Facebook's plan to kill dangerous fake news is ambitious – and perhaps impossible

New policy to tackle content that could fuel violence may be well-meaning, but the complexity of the task is mind-boggling

Facebook has been grappling with its role in spreading false news and disinformation for a few years, but a spate of mob violence in India, Sri Lanka and Myanmar have spurred the social network into a knee-jerk policy change.

Until now, Facebook has dealt with disinformation by making it less prominent in people's news feeds. This week, the company announced it would start to delete inaccurate or misleading information created or shared "with the purpose of contributing to or exacerbating violence or physical harm".