Facebook is in hot water. Public criticism is at a roiling boil following a series of data-sharing scandals. Multiple investigations are underway. Facebook's stock just took a sizeable hit, and its user growth is looking shaky. Obviously, the company has courted controversy before. But this feels like a tipping point. Which raises the question: Could the internet's premiere social platform actually destroy itself? The big news of course is the Cambridge Analytica scandal, involving a Trump-linked consulting firm working on new ways to shape political marketing through big data analysis.