https://www.techradar.com/news/facebook-messenger-is-adding-augmented-reality-for-businesses

Augmented reality (AR) is helpful for letting customers see what they're purchasing before hitting the 'buy' button, and now Facebook is rolling out this useful feature to the Messenger app. Kind of. 

Launching in a closed beta, AR is coming to Messenger for businesses that use bots, or automated messaging systems to communicate with customers.