Stock Photo - School children use an iPad to solve riddles with words at the 10th National IT Summit at the University of Saarland in Saarbruecken, Germany, 16 November 2016. Digital education is the focus of the IT Summit in Saarbruecken. Photo: OLIVER DIETZE/dpa | usage worldwide. - Saarbrücken/Saarland/Germany

Stock Photo: School children use an iPad to solve riddles with words at the 10th National IT Summit at the University of Saarland in Saarbruecken, Germany, 16 November 2016.

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