(L to R) President of BITKOM (Federal Association for Information Technology) Dieter Kempf, British Prime Minister David Cameron, German chancellor Angela Merkel, Volkswagen CEO Martin Winterkorn stand behind State Premier of Lower Saxony Stephan Weil (front R) during the opening ceremony of the 2014 CeBIT technology trade fair on March 9, 2014 in Hanover, central Germany. CeBIT will be open March 10-14, 2014. AFP PHOTO / JOHN MACDOUGALL        (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)