AI twins of 1,000+ real people predicted their real survey responses with ~85% accuracy AI interviewers ran 2-hour voice interviews with a national sample of 1,052 Americans, then the twins had to predict how those same people would answer weeks later. "Tell me the story of your life. Where did you grow up? What were some of the hard decisions you had to make?" "And then we would send people away for 2 weeks, & bring them back to a lab." "For the first time really in the field, we could…