Common Sense is Over-Rated – subjective and based on what was, not what will beReality can be painful – get out of stealth mode fast and drop any delusionsNeed to out-learn, not out-executeWhats the Problem we’re trying to solve?Test Customer Hypothesis - Fail Safe, Fail Fast . Every defect is a treasure – not true – info theory – 50% failure rate optimises learningMeasure, don’t guess – no black artChurchill – “However beautiful the strategy, you should occasionally look at the results”`Another thing is to keep it simple……KISS - Minimum Viable Product (SMS, Google, Twitter)Few customers is a gift…prove concept in microscale – don’t launch too early. Make mistakes quietlyJust in Time vs. Just In CaseLean doesn’t mean cheap – it means fast.Time IS Money