Lean Startup - Eric Ries
Build measure learn loop
Validated learning is what you're building
Identify your leap of faith assumptions
Turn these into hypotheses
Pivot - sharp change of direction with one foot planted firmly on the ground
Do customers recognize they have the problem?
"Get out of the building."
"Go and see for yourself"
Also: "get your boots on"
MVP tests one hypothesis
Metrics - not vanity metrics
Metrics based on people not hits
Metrics that can be tied back to a cause
Surprising power of small batches
Single piece flow
Build measure learn really starts with "work out what we need to learn" then build something that will create that lesson, measure the customer response, learn from the measurements... and repeat