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Elizabeth Renstrom for TIME

How Your iPhone Photos Make You Happier

Photography was once an expensive, laborious ordeal reserved for life’s greatest milestones. Now, the only apparent cost to taking infinite photos of something as mundane as a meal is the space on your hard drive (and your dining companion’s patience).

But is there another cost, a deeper cost, to documenting a life experience instead of simply enjoying it? “You hear that you shouldn’t take all these photos and interrupt the experience, and it’s bad for you, and we’re not living in the present moment,” says Kristin Diehl, associate professor of marketing at the University of Southern California Marshall School of Business.

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