and video sharing, it was this service, and perhaps the founder and face of the social network evan shpigerself, who came up with filters, masks, stop and disappearing pictures, which later became mandatory for other social networks , these are the original distinctive features of napchat, that is, these are such social network visionaries, with augmented reality snap has been experimenting since 2017, when the social network placed virtual copies of jeff koons sculptures in several of the world's largest cities, there were no available ar headsets then, so these works of art could only be viewed through a smartphone in the snapchat app, today, by the way, you can also peep into the world of the owner of the new spectacles glasses through a smartphone, since about the same time snap has been making smart glasses, at first just with a built-in camera, they failed in sales, then there were two cameras for fashionable, at that time such pseudo-volumetric pictures, only here they were not generated, but really two-chamber, similar glasses, by the way, are made today by the joint brand reyben, a