Tin Foil Hats

Basically the result of the ongoing cell phone debate today:
Mom: I am not paying for your phone
Me: Mom will you pay for half of it?
Mom: No, they fry your brain- they penetrate an inch past your skull
Me: how do they know that do they put little electrodes in your brain and go: oh wow I get service in here
Mom: How should I know!?
*Dad laughs Mom glares*
Me:Fine! I will wear a tin foil hat then!