by touch, the actuation proximity/placement/sensitivity, even possibly the future ability to feel-back and respond via complex CA algorithms based on emotional thresholds; weather in watches/helmets/glasses/skin-mesh, will get us into intelligent flexable electronics controling/interacting/predictive-metrics of contextual awareness, as the video predicts..

http://www.youtube.com/watch?v=tVncWY2eppk

Display setup; it will go way beyond finger capasitivenes; our interfaces will expand to sense strategic muscle impulses, and thought waves will intertwine to synergize us with our digital assistants... think/say/spark a synapse to manipulate.

https://www.parc.com/services/focus-area/flexible-and-LAE/

see microsoft ie video, watch his implication near the end per controling:

http://www.displayweek.org/

That image on our unipxel website of the finger touching the screen with a corrisponding brilliant flash is telling me something.

emit...