Vuzix builds the glasses and has an app store, but like their bigger brethren in Apple and Google, rely upon third parties to boost the value proposition of its product. In the same way it could be legitimately argued the App Store is the iPhone's killer app because of all the possibilities it affords, Vuzix's own storefront does the same thing for its connected eyewear. Travers said the majority of the apps for Vuzix's glasses are augmentative, insofar as they allow a person to see physical spaces alongside the software they're running at a given moment.