Pick up any smart phone and gestures to operate it are nearly universal. Put on a set of smart glasses or play a mobile AR game and they are hobbled by out dated UX/UI standards that interfere with the new opportunities on the emerging AR platforms for spacial computing. In contrast to the UX/UI guidelines for WIMP interfaces; precious little has been written about best practices for AR. With screenless information, spatial computing, floating menus, mid air gestures, restyled 3DOF and 6DOF controllers, new graphics, audio, and haptics AR offers novel interaction patterns that demand new interface language and standards. Come join us for a dive into the emerging UX / UI standards for AR and spatial computing with inspiring examples from Leap Motion, North, mixed reality, Magic Leap, as well as some from XEO's own laboratory and latest experiments.