Why we’ll be stuck with low-accuracy AR for a while

GUEST: At this writing, Pokémon Go has been downloaded 75 million times worldwide and had broken records on Apple’s App Store and Google Play.
It’s safe to say that with Pokémon Go, augmented reality (AR) has gone mainstream. For those who follow the technology, this has been a long time coming. Blippar, an AR app, has been on the market since 2011. Yelp tried to push AR with its Monocle feature in 2014. And of course, there was Google Glass’s well-publicized fail