Oxford teacher and author Viktor Mayer-SchOnberger joins Economist data editor and commentator Kenneth Cukier to provide insight into the hottest pattern in technology. ‘Big data’ makes it possible to instantly analyze and pull conclusions from vast stores of information, enabling groundbreaking breakthroughs running a business, health, politics and education. But big data also increases troubling public and privacy issues sure to be always a major talking point in the years ahead.