Facebook is a "marketplace" for all sorts of crimes by virtue of having three billion users. Which is about 37% of the world's population. The fact that some ho

Facebook is a "marketplace" for all sorts of crimes by virtue of having three billion users. Which is about 37% of the world's population. The fact that some horrible crimes slip through the cracks, as is inherent to every large population, is no excuse to treat that 37% as criminals.