Pretty cool...or as the zen master said...we'll see

http://www.cnn.com/2009/TECH/09/25/brain.scans.wired/index.html

The practical application of this in criminal cases has the potential to be scary as hell. This is some Minority Report shit.

I know you are going to commit a crime because I can read your mind, now rot in jail.

This is cool, but man it could seriously mess up interpersonal relationships too. No one is truthful 100% of the time, and this has the potential to circumvent that if it can read internal speech patterns (as the article suggests would be possible).

A bit of caution before people rely too heavily on fMRI readings:
http://www.wired.com/wiredscience/2009/09/fmrisalmon/

Thought police inc!