Fei-Fei Li — tisram

Observer 2026-04-28-3

The Stanford Economist Studying A.I.'s Jobs Impact Is 'Mindfully Optimistic'

Brynjolfsson's frame — that AI's labor impact comes down to individual choice between augmenting and automating — is empirically honest and structurally misleading: most workers don't control deployment patterns, CFOs do. The practical read is a bifurcation diagnostic: the augmenter class compounds, the substitution class displaces, and the firms conflating the two get neither cost savings nor value creation. The advisory dollar lives in helping them tell which roles are which before the org chart catches up.

# tags

ai-economics ai-labor-displacement workforce-bifurcation ai-1.0-defensibility advisory pilot-to-scale ai-adoption-patterns augmentation stanford brynjolfsson career-strategy observer

Not Boring 2026-03-23-1

World Models: Computing the Uncomputable

The definitional move matters more than the technology survey: action-conditioned prediction, P(st+1 | st, at), is presented as the line separating world models from video slop. If that definition holds, the $4B+ deployed into World Labs, AMI, GI, and Decart is a bet that spatial-temporal reasoning trained on games and driving footage transfers to general embodied control. The strongest signal is Ai2's MolmoBot result: a sim-only-trained policy outperforming VLAs trained on thousands of hours of real data. If sim-to-real transfer keeps improving, the entire robotics data flywheel thesis inverts: synthetic environments become the bottleneck worth owning, not real-world demonstrations.

# tags

agentic-ai world-models robotics ai-economics embodied-ai simulation