Justin and Jason discuss why Jason isn't planning to use Twitter as a marketing channel, personalized learning and the future of education, how and why the SAT and ACT are useful for college admissions despite their flaws, the orthogonal nature of student aptitude vs. consciousness, semantic tagging and the difficulty of categorizing text, reasons behind the sudden rise in UFO coverage in the media, the downside of always playing the skeptic, the potential of crypto-social networks services like BitClout, binary vs. probabilistic thinking, the ongoing collateral damage caused by Elon Musk's tweeting, the challenge of building an efficient and accurate adaptive diagnostic math test and the prospect of adding coding exercises to Math Academy, why the Wuhan lab leak is the biggest story of our time, why the media screwed it up so badly and the dangers of gain-of-function research on human pathogens.

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