We have seen GPS shoes in the past. Those are helpful for the elderly and folks who have trouble finding their way around. Le Chal happens to be another wearable device you can wear to find your way. It has a smartphone app, which you feed your destination to. The shoe vibrates when it is time for you to change course. For instance, if you have to turn left, the left side of your shoes will vibrate. Something like this could be quite helpful for visually-impaired folks.