John Chambers, chairman and chief executive officer of Cisco Systems Inc., arrives for a Bloomberg Television interview on day three of the World Economic Forum (WEF) in Davos, Switzerland, on Friday, Jan. 23, 2015. World leaders, influential executives, bankers and policy makers attend the 45th annual meeting of the World Economic Forum in Davos from Jan. 21-24. Photographer: Simon Dawson/Bloomberg via Getty Images
