RESEARCH

Tech notes.

Measurement problems we hit building the corpus, written up rather than kept internal. No results are withheld because they are unflattering.

The negative space of retargeting

What physics replay throws away, and why it is the densest signal in the pipeline.

Deriving ingest gates from the physics of head-mounted capture — and naming the one that is a convention.

Why raw hours went to zero, how supply split into five structurally different businesses, and what became scarce instead.