Facebook CEO Mark Zuckerberg has finally agreed to appear before Congress—which means he might finally get at the real issue behind Facebook's woes.
How can Facebook ward off tomorrow’s crisis if its guiding principle is and always has been connection at all cost, maximizing the flow of data between people and their friends—as well as advertisers and apps? And if it radically alters that ethos—the one that allowed it to grow to 2.2 billion users and counting—can it sustain itself?