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Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works
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Data Processing Inequality Survival

For X -> Y -> Z, I(X;Z) is capped by the SMALLER of I(X;Y) and I(Y;Z) -- never their sum, never their difference. One wrong bound ends the round.

💀 3 lifeives 🚫 no clock
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