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VIDEO: WhatsApp encryption - What it all means in 60 seconds

As instant messaging service WhatsApp announces it has completed a move to fully encrypt all the content within its app, we look as what that really means for users.

Until this announcement, only text-based messages sent in one-to-one conversations were encrypted.

Now all content including voice calls, videos and group conversations across both iOS and Android are now covered by what is known as end-to-end encryption.

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