Teenager research<br>File photo dated 22/10/14 of a teenage girl using a mobile phone. Most teenagers could not last more than a day without using social media or smartphones, according to new research. PRESS ASSOCIATION Photo. Issue date: Tuesday October 27, 2015. A survey of 2,000 youngsters found that two out of three spend an average of two hours a day on social media, and more during school holidays. See PA story TECHNOLOGY Children. Photo credit should read: Chris Radburn/PA Wire
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