Official Greylock article here.
inSight is a hands-free exploration in the enthralling field of mixed and augmented reality. Using just $40 of off the shelf materials, inSight is able to provide a fully interactive headset controlled by your eyes. This headset combines machine learning and custom image processing algorithms to display information about the user’s point of focus. Combined with Bing search and IoT technology, inSight allows users to control home appliances and learn about their surroundings in an intuitive way.