Humanity is at an inflection point.  More and more decisions once made by people are being made by machines, often without transparency or accountability.  A.I. Nation, a new podcast from WHYY and Princeton University, reveals how artificial intelligence is operating in the background, and sometimes foreground, of every major story, trend, and event in our modern lives. AI systems helped accelerate COVID-19 vaccine development, and saved lives by modeling pandemic response strategies. But Big Tech companies like Facebook, Amazon, and Alphabet, are also using hidden surveillance and sophisticated algorithms to predict our behavior and control our online experiences, often leading to digital echo chambers and an increasingly polarized society. A.I. Nation investigates how machine learning, automation, and predictive analytics are impacting our lives right now [...]