Good thing I kept my aluminum foil brainwave protector beanies

So in Canada, scientists have created a machine that can tell a person's preference between two items using a fiber-optic headband and a near-infrared light aimed at the head.

Basically, it measures oxygen levels through light absorption.

Their explanation: "When your brain is active, the oxygen in your blood increases and depending on the concentration, it absorbs more or less light," one scientist said. "In some people, their brains are more active when they don't like something, and in some people they're more active when they do like something."

Hmmm. Why do I care? Jack Bauer's interrogations will be more reliable. The government and aliens that want to read my paranoid thoughts can get a closer look.
My wife will have proof of all the thoughts she's accused me of having!

I'm doomed.

reference link:
http://news.yahoo.com/s/livescience/newdevicereadsmindsprettywell