“…From the invention of visual inertial odometry (Pangilinan et al, 2019, p. 78) to Pokémon mania (Serino et al, 2016), the progress has been staggering. The number of AR applications has exploded since their appearance, not only in game development, but also for industry, construction, maintenance, medicine, navigation, television, advertising, commerce, and so on (Arnaldi et al, 2018;Schmalstieg & Höllerer 2016). In turn, almost everybody heard about AR without knowing exactly what it meant.…”