A real withdrawal of attention happens first and foremost in the mind. What is needed, then, is not a “once-and-for-all” type of quitting but ongoing training: the ability not just to withdraw attention, but to invest it somewhere else, to enlarge and proliferate it, to improve its acuity.

First, these sites and apps are designed to train our minds to crave frequent rewards.

am interested in a disciplined deepening of attention.