Last June, when this first came up, I commented:

I was thinking about the implications of using this technique to analyze e.g. political speeches and try to catch people lying on the act. Your application (winning on card games) seems very interesting too

Now, with the Google glass getting closer to being a real thing in the market, the possibilities are endless (for the good and for the bad). Unfortunately, my mind is kind of twisted and I think about the bad first. Must be a side effect of all the security issues I'm researching.

For instance:

# Google glass + Eulerian magnification + facial expression recognition = Instant "Lie to Me"-like[1] microexpressions expert.

# Google glass + Eulerian magnification + TSA agent: "picking" suspects by the way their pulse react as they get closer to the agent using the "apparatus". Of course, the real criminals would just take some kind of drug to avoid being detected...

http://en.wikipedia.org/wiki/Lie_to_Me