WhatsApp group calling for voice and video, announced at F8, now live globally on iOS and Android, with end-to-end encryption and support for up to four users (Nick Statt/The Verge)

Nick Statt / The Verge:
WhatsApp group calling for voice and video, announced at F8, now live globally on iOS and Android, with end-to-end encryption and support for up to four users  —  Up to four people can chat simultaneously  —  Back at Facebook's F8 developer conference in May, WhatsApp announced …

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