GI: Posting on these forums and playing POTCO.

BI: Posting on these forums, driving a car, eating breakfast, changing a baby's diaper, and playing POTCO all at the same time.

Good Idea: Giving a mate some friendly advice...

Bad Idea: That the mate is Eliza Creststeel and the friendly advice being she should lose a few pounds.

GI: Seeing Chuck Norris, because he can see you.
BI: Not seeing Chuck Norris, because you may be a few secvonds away from death...

GI inventing the wheel
BI getting run over by that wheel