My Dad:We used to keep useless information to ourselves.
AT & AT.
Hand them a mechanical pencil with the lead out and see how the use it. Child A: look mom I'm a doctor! - expect them to live to 80+ years. Child B: look mom I'm a heroin user! - expect them to live to about 27.
Facebook.
It works on the principle that People are more interested in others life than their own'.
Facebook?
He winked at me, I should send him a dragon head." "No babe, this calls for a full dragon."
Dad: We used to keep useless information to ourselves.