A patent filing by Microsoft hints at tech that would automatically keep tabs on everyday objects so you don't have to. Enlarge Image This could be you, never losing your keys again. Photo by Microsoft Want a virtual assistant that means you won't lose anything ever again? A patent application filed by Microsoft hints at that future. The technology described in the patent filing first spotted by MSPoweruser , published Thursday, would bring sophisticated, automatic object tracking to augmented reality . A cousin of VR , which creates an entirely digital experience, augmented (or mixed) reality blends the real and virtual worlds into a seamless experience -- think Pokemon Go. One of the challenges for more advanced augmented reality is that a system would need to track not only you as a user, but also the other objects in your environment. Microsoft's patent document suggests a technology that would do just that. The new tech would fit neatly w...