https://www.cnbc.com/2018/07/24/facebook-security-chief-alex-stamos-memo-on-departure-privacy.html > Facebook's outgoing security chief, Alex Stamos, sent a telling memo in March — reported by Buzzfeed News — calling for the company to "intentionally not collect data where possible, and to keep it only as long as we are using it to serve people." > The comments, first circulated internally months ago, shed new light on the personal reflections of the company's top security executive amid widespread privacy failings. The memo came just days after a pair of news reports revealed improper access to sensitive user information by research firm Cambridge Analytica — a revelation that kicked off a firestorm of international probes, policy changes and corporate soul-searching.