Some elements here build upon the RL env post. Also, please read the footnotes, given a lot to cover, I moved many clarifications to the bottom. Something is happening across all major labs simultaneously and it’s not a coincidence. Yann LeCun announced he is leaving Meta to start a new lab focused entirely on World Models. He also has a technical lecture on what the world models are and what they do. Ilya Sutskever, on Dwarkesh’s podcast, described emotions as value functions, a framing that ma...