There was a startup that followed your example called Fashism. (yes, really)
It received venture capital, but died a painful death.
It received venture capital, but died a painful death.
http://betabeat.com/2013/09/fashism-struts-off-to-startup-gr...
This takes a lot more effort than simply tapping one of two photos without reading anything. A/B responses can be given in less than a second. It's all snap judgements -- no reading is necessary.
Suddenly... #HopeInHumanityRestored