Two concepts coexist in the center of the Product Management discipline that, at first glance, may seem contradictory when they are complementary by nature. One has to do with excellence; the other one with Perfection. — The Excellence In the two books making up Marty Cagan’s essential bibliography, first in INSPIRED: How to Create Tech Products Customers Love and then in EMPOWERED: Ordinary People, Extraordinary Products, the author addresses the most relevant topics of the Product Management discipline in each of its chapters. …