I've vaguely heard about a few of these, most notably the webcam spy one. But I think that was more of a "you should be super careful about your webcam, people may be spying on you with it" kinda deal. Either way, some of these freaked me out a little bit. How about you?

"We are in the middle of a great cultural arms race between advertisers with tons of money and state of the art technology and the common man's ability to ignore the ads those advertisers create. You've seen hundreds of ads today -- how many did you actually remember?

Don't think for one second that ad executives are giving up. It's all about using futuristic technology to make their ads more and more invasive. That's how we've wound up with ..."

5 Sci-Fi Ad Techniques That Are About to Make Life Creepier