WhatsApp messages are end-to-end encrypted, which means only the sender and receiver can read them. Neither Facebook nor WhatsApp can directly view your private messages, calls, photos, or videos. Encryption ensures that the content is scrambled during transmission and can only be decoded on the recipient’s device.
However, Meta may collect limited metadata like contact info, usage patterns, and device details for service improvement and safety. Also, if messages are reported by users, those specific messages can be reviewed.
So, private chats are not openly visible to Facebook, but some indirect data and reported content may be accessed.
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