Facebook has hired a team that will try to spot vulnerabilities in its systems before bad actors exploit them to prevent abuses like 2016 US elections debacle (Alex Kantrowitz/BuzzFeed)

Alex Kantrowitz / BuzzFeed: Facebook has hired a team that will try to spot vulnerabilities in its systems before bad actors exploit them to prevent

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Facebook says it is working on “time well spent” features; Android app shows features like time spent in the app, reminders for self-imposed limits, and more (Josh Constine/TechCrunch)

Josh Constine / TechCrunch: Facebook says it is working on “time well spent” features; Android app shows features like time spent in the app, reminders

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Facebook announces updates in effort to fight false news: using more machine learning, expanding fact-checking partnerships, using Claim Review framework, more (Tessa Lyons/Facebook)

Tessa Lyons / Facebook: Facebook announces updates in effort to fight false news: using more machine learning, expanding fact-checking partnerships, using Claim Review framework, more 

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