A journey through the technologies advancing humanity.
Essays
All essays
Featured essay
The War for Time
Meta is selling near-frontier inference at a fraction of what OpenAI and Anthropic charge, and the discount is aimed at their margins.
Jul 15, 20267 min readRead the essay
AI Stack
Explore the stack
The field guide
Understand the machine, layer by layer.
Power, compute, models, digital and physical AI: what each layer does, where it bottlenecks, and who is levered to it.
Enter the stack
Markets
Enter markets
AI-stack value flow
Follow the money through the AI stack.
See who’s big, how much moves between them, and where the physical ceilings (CoWoS, HBM) choke. Then pull any name apart before you commit.
See the money map