Sheryl Sandberg says Facebook knew about Cambridge Analytica two-and-a-half years ago but they didn’t check (FB)

Facebook knew Cambridge Analytica was mishandling user data two-and-a-half years ago, COO Sheryl Sandberg told NBC. But when the company discovered the problem, execs relied on CA’s assurances that they had deleted the data. The company could have done an audit, but did not, she said. “To this day, we still don’t know what data […]