Glass failed because it was too early for the tech, they needed to be able have the functionality of the the camera they had but make it something you didn't im

Glass failed because it was too early for the tech, they needed to be able have the functionality of the the camera they had but make it something you didn't immediately notice. Also the display mechanism needed to be less noticeable as well. What killed Glass was that it made people uncomfortable. Also glass relaunched in July targeting enterprise applications.