South Korea’s LetinAR is building optics behind AI glasses

Imagine you’re riding a motorcycle at 160 kilometers per hour when an arrow appears, floating on the road ahead, telling you exactly where to turn. No phone, no dashboard. Just your helmet, and a lens the size of a thumbnail. This is not a concept video. It’s heading to European roads as early as this year. And it’s one early glimpse of where smart glasses are heading.