Writing on product work that we keep coming back to, gathered from across the internet.
Every title opens the original on the publisher’s own site. We point at this writing and credit the people who wrote it. We do not host it.
The source of the INVEST acronym, along with the SMART companion for tasks. Wake's case for slicing stories vertically so each one carries customer value is why the checklist has outlasted almost everything else written that year.
How the technique runs, why private selection matters and who should hold cards. The list of ways it goes wrong is the more useful half, particularly the habit of averaging the numbers before anyone has explained the gap between them.
Jeffries had a hand in inventing story points, and here he sets out what he thinks they are good for and where he has watched them go astray. Read it before your next estimation debate, whichever side of it you expect to be on.