When it comes to measurement errors, the third time is even less charming than the second and first. Last week, it was reported that Facebook had been miscalculating how often users react to live videos and how often users like and share links posted on Facebook. Because the error is the third of its kind since September, some marketers are questioning Facebook’s maturity. BLITZ’s director of social, Kevin Wright, says “given the frequency and severity of the errors being discovered, Facebook should be proactively reaching out to their partners.”