“The first augmented reality platform that becomes mainstream isn’t going to be glasses, it’s going to be camera,” says Mark Zuckerberg. This attitude goes against mainstream support for AR glasses. Perhaps, it reflects a more realistic, albeit lower-hanging opportunity to integrate AR into our everyday lives. This is an initiative Facebook has been growing and is at the point where it is ready to cultivate a community of AR developers.
Source : What’s on the Horizon: Immersion with Facebook AR Studio | Virtual Reality Strategy Conference 2017