Mind you don’t walk into anything when you’re dumbwalking.
dumbwalk
/ ˈdʌmwɔk / verbto walk along without looking where you are going while using your phone:
I just saw two people dumbwalk into each other.A person who is walking like this is called a dumbwalker:
Dumbwalkers are taking their life into their hands when they cross the road.Read all about it: Will smartphones take over the world?