https://finance.yahoo.com/news/zuckerberg-hearings-presage-end-move-080000396.html > Beyond the political theater, a more epic reckoning is at hand: The way Facebook builds products will change forever. > For years, the company released features quickly, then tracked user responses to decide whether to push on. The creations may not have been perfect, but the key was speed -- hence the company mantra. It worked. Facebook attracted 2 billion users and became an advertising colossus. But the approach also meant executives didn’t know what was going on all the time so they’ve often been reactive rather than proactive when things go awry.