free app idea, called dirt, which bring up controversy about companies, so when you buy something, at least you can see where your dollar/peso/yen/euro is going.
Various plug in options would be cool too, if you are browsing online, it finds dirt for you based on all the ads you get.
*edit - wow since the 80's? Still they dont change their business tactics, what a shame, they had 30 years to stop this crap.