This is all nice and stuff, but it's basically just re-inventing decades old thinking using new words. See http://en.wikipedia.org/wiki/Kano_model http://en.wi

This is all nice and stuff, but it's basically just re-inventing decades old thinking using new words. See http://en.wikipedia.org/wiki/Kano_model http://en.wikipedia.org/wiki/Kano_model