So how do you prioritize what to build? As you saw with Rappler, what you choose to prioritize reflects your values and your goals. In Facebook’s case, one of Mark’s choices early on reflected what a young man would think but not what an experienced responsible corporate executive would do, like giving every Facebook engineer unlimited access to users’ data. In that upside-down world, that became a Facebook recruitment tool; he offered tech engineers a workplace without bureaucracy so that engineers could test and build with user data, unimpeded by the real-world concerns of other companies.