Task Saturation: Broad but Shallow AI Diffusion

Google ATLAS's marquee work finding — AI reaches 68% of detailed occupations (88.4% of US employment) but only 21% of the tasks in the median occupation, with end-to-end automation the intent of just 6.5% of non-routine-cognitive conversations vs 26.9% for routine-cognitive; the extensive margin is gated by physicality, the intensive margin concentrates in non-routine cognitive work, and usage over-indexes most on the *lowest*-expertise cognitive tasks