Very interesting, though I'd love more details about the signals they're using. I hold out a slim hope that this discussion doesn't once again devolve into "bu

Very interesting, though I'd love more details about the signals they're using. I hold out a slim hope that this discussion doesn't once again devolve into "but how can we even define 'truth'??" This seems more analogous to spam detectors - perfection is absolutely theoretically impossible, but low-error implementations are incredibly useful in practice.