Holy fuggin shiznit: https://t.co/Y2SghIGtdE— Chris Vickery (@VickerySec) December 19, 2018
This means Zuckerberg sat in a Congressional hearing and lied.
It's hard to portray how untruthful he was. The word that comes to mind is "malicious".
Zuck -maliciously- lied to congress about Facebook data disbursement for profit.