Guest contribution by Anne Sophie Christmann: The smartphone in the city of the future

What does the smartphone really do in a big city?

IMAGO / Blickwinkel

More than half of the global population now lives in urban areas. Such urban growth brings with it considerable risks, but also opportunities. In the future, smartphone apps will make it easier for people to live together and, at the same time, will even help to conserve resources and the climate. A guest contribution by Anne-Sophie Christmann

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