Had a coworker who lived life the old way, distinct online and offline modes of operation. His phone was a classic flip phone. During the day, he'd be online working his software engineering job. Outside of that, he may stay on the computer some more, but if he stepped away from the office, there was no other device in his home to that'd allow him back online.

We discussed it a few times, and my belief is that small amount of friction, entering a particular room to go online, was enough to help him get more intentional about how he spends his days.

Needless to say, the man had a lot of interesting hobbies and was well read.