The thesis gets tested in public, one short note at a time.
NOTES BY DARREN CARD, DATED BY MONTHEach note takes a single claim and tries to break it against something that happened. Every note tests a different part of the same thesis.
LATEST · 21 · OCTOBER 2026How data and work flowTools hand off to each other, agents move the work between them, and people approve what matters.Read the note →
COST SAVED$2M to $4M a yearMONEY · AN OUTCOME
TIME TO HIRE40 to 60% fasterTIME · PROXY
KNOWLEDGE RETRIEVAL45 to 80% time savedTIME · PROXY
FINANCE CLOSE30 to 80% time savedTIME · PROXY
20 more, each testing a different part of the thesis.
20Every tool and how it connectsOCTOBER 2026OCT 202619How a change shipsOCTOBER 2026OCT 202618How I build, context firstOCTOBER 2026OCT 202617What replaced 18 old toolsOCTOBER 2026OCT 202616The modern agentic product tool stackOCTOBER 2026OCT 202615The margin leaks at the quoteOCTOBER 2026OCT 202614What an agent owes the person it acts forOCTOBER 2026OCT 202613Time saved is a proxy for what AI returnsSEPTEMBER 2026SEP 202612Compression has a different shape in each domainAUGUST 2026AUG 202611The view from the pit wallJULY 2026JUL 202610Agents broke the product org chartJULY 2026JUL 202609The cost of an AI feature is set while you build itJULY 2026JUL 202608When agents write code, evals become the quality gateJULY 2026JUL 202607Velocity stopped being a useful signalJULY 2026JUL 202606Hire for the PM job that exists nowJULY 2026JUL 202605Smiling exhaustion comes from the design of the workJULY 2026JUL 202604The one-person product org, from the insideJUNE 2026JUN 202603The constraint is deciding what to build and judging itJUNE 2026JUN 202602Engineering is the only function you can seeMAY 2026MAY 202601The CPTO seat follows from cheap buildingAPRIL 2026APR 2026