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PBS News Hour
The psychological itch that makes a smartphone irresistible
Many of us have psychological itches that need scratching, says Adam Alter. When he was a Ph.D. student, that compulsion took the form of an online slot machine game, which soothed his feelings of isolation. Today we seem to be constantly in need of interaction with our smart phones or tablets. Alter offers his Humble Opinion on why it's worth going screen-free part of each day.
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