In the wake of the tragic violence in Charlottesville earlier this month, it’s even more evident that online extremism continues to pose serious threats to society. While battling extremism is an important step in preventing the spread of hate and violence around the world, there are many inherent challenges, including the sheer volume of daily posts, complexity of purpose for videos, and the need to adhere to free speech rights.  In spite of these challenges, industry has been committed to this effort for many years—we’ve highlighted some of this in the past, including industry efforts to cooperate with law enforcement, and formation of a partnership to fight terrorism.