Apple filed a patent in March 2012 for a haptic touchsceen. http://www.appleinsider.com/articles/12/03/22/apples_haptic_touch_feedback_concept_uses_actuators_se

Apple filed a patent in March 2012 for a haptic touchsceen. http://www.appleinsider.com/articles/12/03/22/apples_haptic_touch_feedback_concept_uses_actuators_senses_force_on_iphone_ipad.html http://www.appleinsider.com/articles/12/03/22/apples_haptic_...