Armed with tens of thousands of pages of secretly copied internal research documents, ex-employee accuses social media giant of knowingly harming children and fueling polarization

Almost unprecedented global shutdown reportedly exacerbated by tech chaos that kept staff from getting into building to find and fix problem; Zuckerberg's wealth said dipped $6b

Social media giant not saying what might have caused the outage that was still not completely resolved more than six hours later

Popular messaging platform says it is 'working to get things back to normal'

'We do not talk, we assassinate and murder people,' the man allegedly wrote on a public WhatsApp group, citing her aide's recent murder

Angus King, a member of the Intelligence Committee says he turns his cell on and off at least once a week; experts say this move makes hackers work harder

Facebook-owned company says suppression of specific posts was not specifically linked to their political content

Messaging service also removes leader of extremist anti-gay Lehava group; lawmaker Ben Gvir slams move, asks Communications Ministry to intervene

Department of Justice reportedly renews interest in alleged targeting of 1,400 users by Herzliya-based firm after FBI investigation said to stall; NSO says it's unaware of probe

Facebook-owned messaging service cancels Feb 8 deadline for accepting update to terms concerning data, saying it will use pause to clarify the policy