Do you think we’re living in a simulation? This Stanford PhD raised over $300M, now valued at $2B, backed by Fei-Fei Li (@drfeifei), Andrej @karpathy, Greenoaks, & @IndexVentures, to build AI simulations of real people. Their Stanford research achieved 85%+ accuracy predicting human behavior. I sat down with Simile Co-Founder & CEO Joon Sung Park (@joon_s_pk) to get into it all. Simile (@simile_ai) builds real-world simulations with access to 40M+ real people across its global panel…