Digitaler Burnout: "Zu viel Smartphone macht unglücklich" - SPIEGEL ONLINE

http://www.spiegel.de/gesundheit/diagnose/digitaler-burnout-zu-viel-smartphone-macht-ungluecklich-a-1056361.html

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First saved: 2015-Oct-14 (Wed)
Last checked: 2015-Oct-27 (Tue), response 200