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BIERE, GERMANY - JULY 01: Close-up of cables and LED lights in the new data center of T-Systems, a subsidiary of Deutsche Telekom AG on July 01, 2014, in Biere, Germany. T-Systems is the largest German and one of the largest European IT services companies. (Photo by Thomas Trutschel/Photothek via Getty Images)

BIERE, GERMANY - JULY 01: Close-up of cables and LED lights in the new data center of T-Systems, a subsidiary of Deutsche Telekom AG on July 01, 2014, in Biere, Germany. T-Systems is the largest German and one of the largest European IT services companies. (Photo by Thomas Trutschel/Photothek via Getty Images)