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A visitor of the "NEXT Berlin" conference tries out the Google Glass on April 24, 2013 in Berlin. "NEXT Berlin" describes itself as "a meeting place for the European digital industry". Organisers say that at the conference, "marketing decision-makers and business developers meet technical experts and creative minds to discuss what will be important in the next 12 months". The conference is running from April 23 to 24, 2013.       AFP PHOTO / OLE SPATA / GERMANY OUT        (Photo credit should read Ole Spata/AFP/Getty Images)
A visitor of the "NEXT Berlin" conference tries out the Google Glass on April 24, 2013 in Berlin. "NEXT Berlin" describes itself as "a meeting place for the European digital industry". Organisers say that at the conference, "marketing decision-makers and business developers meet technical experts and creative minds to discuss what will be important in the next 12 months". The conference is running from April 23 to 24, 2013.       AFP PHOTO / OLE SPATA / GERMANY OUT        (Photo credit should read Ole Spata/AFP/Getty Images)

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