There was an interesting article in theguardian about the world's first artificially intelligent advertisement poster. Apparently, it uses a "Darwinian algorythm" to identify viewers' reactions and either discard or promote each ad according to facial feedback.
(Image credit goes to http://www.theguardian.com/media-network/2015/jul/27/artificial-intelligence-future-advertising-saatchi-clearchannel)
And our favorite part about it? The fact that it would not even exist without the digital display its running on!
This technology is definitely something to look out for. Check out the artice here.