"Feminists have been warning against these online hate groups and their propensity for real-life violence for over a decade. I know because I’m one of the people who has been issuing increasingly dire warnings. After I started a feminist blog in 2004, I became a target of men’s-rights groups who were angry with women about everything from custody battles to the false notion that most women lie about rape. In 2011, I had to flee my house with my young daughter on the advice of law enforcement, because one of these groups put me on a “registry” of women to target."