TUNE-UP

Summary from the TLDR Founders newsletter

Two-week sprints once felt radical. Bring that cadence to an AI-native team now and you might get smoked. 37signals still runs six-week product cycles, but it just cut the two-week cool-down between them to a one-week "tune-up." The team says a substantial feature that may have taken four weeks, with a real risk of six, can now ship in one.