MVP, Old Sport

21 July 2026 The word “ doctor” meant “ teacher” in Latin. The meaning spent a few centuries drifting from the person who instructs you to the person who examines you. That drift is the fate waiting for “ test and learn”. Anna Goss has a great post about the Riskiest Assumption Test here: From the RAT to the Magenta Book . “ It had long since felt like MVP had lost its way in the five years since…