@CNN: Mark Zuckerberg says when Facebook first learned of Cambridge Analytica buying data from an app developer on Facebook “we did take action” https://t.co/NPHrJM7GGX https://t.co/9ugq7JzTqz

@CNN: Mark Zuckerberg says when Facebook first learned of Cambridge Analytica buying data from an app developer on Facebook “we did take action” https://t.co/NPHrJM7GGX https://t.co/9ugq7JzTqz