Billboards that adjust themselves based on your gender.

"We do not gather any data and we do not store any data."....yet

the mention of the Minority Report brings this to mind:

crime prediction software in Santa Cruz: http://www.newscientist.com/article/mg21128333.400-cops-on-the-trail-of-crimes-that-havent-happened.html

murder predictor for those on parole or probation in use in Baltimore and Philly:
http://morichesdaily.com/2012/02/thought-police-software-predicts-criminal-behavior/