The latest shoe has dropped on Facebook: Private data on 50 million users found its way to a shadowy research outfit, Global Science Research, and then on to Cambridge Analytica, a political consulting firm launched by former White House adviser Steve Bannon.
Zuckerberg has come out with a mea culpa for this latest breach of digital trust. But his company’s globally dispersed user base presents a challenge. Every month, over 2 billion users worldwide log in to Facebook.
How does Zuckerberg convert his apology into action, while respecting the vastly differing circumstances that

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