One example of trolling is when someone posts into a thread a 'truth' while calling others liars, then not providing any evidence of that 'truth' when asked. S

One example of trolling is when someone posts into a thread a 'truth' while calling others liars, then not providing any evidence of that 'truth' when asked. So either you are trolling, or you'll be so kind as to actually post the arguments for why Facebook is a monopoly so we can ensure we're discussing under a shared context.