Google, Apple, Facebook, and Amazon are replacing national structures by mining their users' personal data. Through artificial intelligence (AI) and their boundless capacity for innovation, they have inserted themselves into an arguably failing healthcare sector that they see as just the ultimate market to conquer. Will nations be able to protect their citizens from the maneuvers of the Big Four?

Google, Apple, Facebook, and Amazon are replacing national structures by mining their users' personal data. Through artificial intelligence (AI) and their boundless capacity for innovation, they have inserted themselves into an arguably failing healthcare sector that they see as just the ultimate market to conquer. Will nations be able to protect their citizens from the maneuvers of the Big Four?