Slightly of topic: A while a go I visited South Korea for the first time, and got weird looks whenever I pushed the button at crosswalks, that and the button ta

Slightly of topic: A while a go I visited South Korea for the first time, and got weird looks whenever I pushed the button at crosswalks, that and the button talked back...Next day I'm again at a crossing with our Korean client and push the button, she starts laughing and tells me: I had no idea your were blind :) Turns out the button only calls out when it's safe to cross.