The New York Times details how over 200 Facebook and Instagram accounts were impersonating Facebook CEO Mark Zuckerberg and COO Sheryl Sandberg in what appeared to be an effort to scam users. “At a time when the real Mr. Zuckerberg has vowed to clean up Facebook, the Silicon Valley company has failed to eliminate imposter accounts masquerading as him and his chief operating officer … to swindle Facebook users out of thousands of dollars,” it writes.