The MVP is Dead (gravestone with MVP on it), long live the RAT (Remy from Ratatouille)

Martin’s RAT guide

The MVP is dead. Long live the RAT. For healthy experimentation!

Risk/value diagram. High risk/value - "Lean UX this". Low risk/high value - "UX" this. High risk/low value - Don't do this. Low risk/low value - why?!

Lean UX explained

It’s all about learning. Period.