You're misunderstanding the breadth of what marketing is at Facebook (and most modern consumer software companies). It certainly isn't "if we aren't getting do

You're misunderstanding the breadth of what marketing is at Facebook (and most modern consumer software companies). It certainly isn't "if we aren't getting downloads, go buy some ads". It's about increasing the rate of acquisition (inbound and outbound marketing), improving activation (signup to active user), increasing the rate of sharing (viral), increasing the rate of conversions from sharing, internationalization, etc. Check: https://www.google.com/search?q=facebook+growth+team https://www.google.com/search?q=facebook+growth+team