Ebay's AR shipping feature also takes advantage of concurrent odometry and mapping to understand the phone's position, and sensors for movement and orientation, the company notes. (techcrunch.com)
Apple's experience would depend on the iPhone's camera and its own visual inertial odometry which simply put is 3D imaging and mapping using the device's front cam. (ibtimes.com)
Optic flow odometry operates independently of stride integration in carried ants.] (scientificamerican.com)