Billionaire investor Stanley Druckenmiller — who formerly managed money for George Soros, ran his own hedge fund, and now oversees a family office — says the rise of passive investment has greatly distorted the market. In an exclusive interview conducted by RealVision.com and seen by Business Insider, Druckenmiller explained how machine-based investing has thrown a wrench into his personal approach and kept him from meeting his lofty historical standards. Stanley Druckenmiller has made billions by reading market signals and investing accordingly.