PART 2 - FOUR HIDDEN CHIMNEYS CHAPTER 8: THE SHIELD OF SCREWTAPE Shielding Reinvented

"Microsoft program management and product management were distinct functions, making the PM label genuinely ambiguous"

At about 38:22-39:00, Acquired distinguishes Microsoft's engineering-side program management from its marketing-side product management and explicitly notes that the "P" in PM can mean very different things.