Already done, look it up. But it's also irrelevant. They'll play a cat and mouse game if it got serious (FB will have the upper hand). Or just cut off abusers.

Already done, look it up. But it's also irrelevant. They'll play a cat and mouse game if it got serious (FB will have the upper hand). Or just cut off abusers. Essentially anyone who could set this up can find a better way to access the net.