Smartphones turn dull moments like waiting in line or sitting at the airport...

https://cesarsuniquenews.theburnward.com/what-s-the-simplest-way-to-explain-phone-unlocking-to-a-beginner

Smartphones turn dull moments like waiting in line or sitting at the airport into opportunities to relax or learn. Streaming a favorite podcast can make time feel like it flies by, helping you stay entertained and even pick up something new while you wait