augmented reality

Proponents of minimalism speak with the zeal of the recently converted. Opponents spout dire warnings: you’ll ruin your arches, step on an HIV-contaminated needle, pound your feet to hamburger. “If you talked to people in podiatry a decade ago, nobody would have said that barefoot activity had any benefit,” says Ray McClanahan, a Portland, Ore., podiatrist. “But now, a few people are starting to say it might be good for you.”…