Two months ago, after a smartphone induced rage (my ear touching the screen caused deezer to start playing a song during a phone call) I bought a nokia 3310 and ditched the smart phone. Best decision ever.
Now I noticed how everybody else is constantly watching their smartphone: sometimes they pull it out of the bag but they don't know why, they just browse up and down through the apps until they tap on a random one, just to close it few seconds later.