We've asked Twitter for its take on the data, and we'll let you know if it has something to say. Regardless, the info suggests that more might be necessary if Twitter wants to keep pace. Also, it's a stark reminder that the only surefire way to fight extremism is to deal with it in the real world. So long as it's easy to sign up for social networks in the first place, those less-than-savory elements will keep coming back.