Capacitive Side Buttons on Smartphone

Yeay! Someone actually thinks like me! From the news at http://www.ubergizmo.com/2014/12/the-mantra-x7-is-a-phone-that-does-away-with-physical-buttons/, seems that there are people thinking like me and able to actualize the idea! Here was what I wrote on the idea of using capacitive panel for side buttons: http://hansccwolf.blogspot.sg/2012/09/new-smartphone-concept-capacitive-side.html. Let's see how the execution goes!