You can enjoy the first two units already:
1) Start & feel user-centricity (reading time: ~20 minutes + 1 minute video)
A little intro which will help you on your way towards product ownership: You will observe first methods in action and get a feeling for user-centricity as a state of mind.
2) Define your purpose (reading time: ~18 minutes + 7 minutes videos)
Everyone who works as a Product Manager, Concept Designer, or Product Owner should have some knowledge about the recent evolution of product design because brilliant ideas inspire massively.