Smartphones turn waiting time into a chance to relax or catch up on things....

https://astro-wiki.win/index.php/Why_Do_I_Reach_for_My_Phone_the_Second_I_Sit_Down_to_Wait%3F

Smartphones turn waiting time into a chance to relax or catch up on things. Whether you’re standing in line or sitting on a train, you can listen to your favorite podcast or watch a quick video