Ideas
Some problems don’t have a vendor yet.
Nothing here shipped, and none of it was built at work. These are architectures I keep coming back to because the usual answer to each one treats a systems problem as a discipline problem. Both pages let you run the thing rather than read about it.
Idea · 2026
PlayableAn exam you cannot leak
The NEET leaks were not a cheating problem. They were a distribution problem wearing a cheating costume, and distribution problems have architectures.
CryptographyAttestationAnomaly detectionSystems designOpen the simulatorIdea · 2026
PlayableAn ad exchange inside the movie
Product placement is sold once, years early, to one buyer, for every viewer. Everything programmatic advertising learned about clearing inventory says it should not be.
AdExchangeScene graphAuctionsRenderingOpen the simulatorIdea · 2026
How do you find your Big Idea? In pursuit of Delta 4
Two stories from a Masters of Scale episode about where big ideas actually come from, and Kunal Shah’s Delta 4 as the test for whether the one you found is worth building.
Product strategyDelta 4Idea selectionBehaviour changeRead it
Looking for the products with numbers attached instead? The shipped work is on the About page.