Patent ID: 8457654

Claim:
A method comprising: detecting, by a mobile device, a direction in which at least one defined portion of the mobile device is pointed in space, and a geographic location of the mobile device; comparing the detected direction and geographic location of the mobile device to a physical destination that was previously specified; if the detected direction and geographic location of the mobile device are consistent with the physical destination, outputting, by the mobile device, at least one indication that the direction and geographic location are consistent with the physical destination; detecting, by the mobile device, an altitude and angle of elevation of the mobile device in space relative to a reference plane; comparing, by the mobile device, the detected altitude and angle of elevation of the mobile device in space to the physical destination of the mobile device; and if the detected altitude and angle of elevation of the mobile device are consistent with the physical destination, outputting, by the mobile device, at least one indication that the detected altitude and angle of elevation of the mobile device are consistent with the physical destination.