eBay has introduced HeadGaze, a technology that allows users to control an iPhone through head motions. The technology uses Apple's ARKit and resulted in a test app that allows users to swipe through deals on eBay (HeadSwipe). eBay has open sourced the technology and posted on GitHub.
Largely in response to learnings from terrorism-related events, there's a new protocol for first responders that involves their entry into buildings before they're fully cleared of any danger. Commanding a situation like that requires GPS-like 3D indoor mapping technology where no GPS exists.
Amazon has empowered more location-based services through Alexa with the release of a Device Address API. The API allows for the development of Alexa skills that require location data. For instance, consider a food delivery skill. Without an address, the skill would not function accurately.