[pstuart]

After hearing about Ekman's work some time back I assumed somebody would come up with an app that would be able to analyze a video feed to spot the microexpressions. I guess it's just not that easy (or perhaps not reliable).

[StavrosK]

Do those even exist? It sounds like bunk.

[balakk]

There are some apps that do something similar:

http://www.emotient.com/

http://www.affdex.com/

They work reasonably well if a frontal face picture can be captured.