China may have found a new weapon. What is behind the Chinese government's national security probe into ride-hailing company Didi shortly after the company listed its U.S. IPO? The Bloomberg News Team explores how Xi Jinping is looking to control the masses of data held by the country’s tech giants. Could this crackdown turn big data into the next battleground for the world’s superpowers and shape the economy for years to come? This story was in an episode of Wake Up with Curio.