Happy to share what Yao Liu, myself and Emma Brunskill have been working on over the last year: "Understanding the Curse of Horizon in Off-Policy Evaluation via Conditional Importance Sampling" arxiv.org/abs/1910.06508

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OpenAI is nothing without its people

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We have reached an agreement in principle for Sam Altman to return to OpenAI as CEO with a new initial board of Bret Taylor (Chair), Larry Summers, and Adam D'Angelo. We are collaborating to figure out the details. Thank you so much for your patience through this.

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Turns out, hieroglyphics that the Egyptians left on the walls of the pyramids is actually valid Vim syntax.

@RitchieSKing I completely agree that Twitter isn't FB, but you have to compare log values and not absolute ones, it's just not fair.