I think if WhatsApp were serious about "we don’t share your contacts with Facebook", they would put it in the privacy policy [1]. As it stands, the policy refe

I think if WhatsApp were serious about "we don’t share your contacts with Facebook", they would put it in the privacy policy [1]. As it stands, the policy refers to an FAQ entry [2] which leaves this almost completely open-ended: "The information we share with the other Facebook Companies [...] may include other information identified in the Privacy Policy section entitled ‘Information We Collect’" That is, anything identified as information WhatsApp collects (including contact data) could be shared with Facebook. [1]: https://www.whatsapp.com/legal/updates/privacy-policy https://www.whatsapp.com/legal/updates/privacy-policy [2]: https://faq.whatsapp.com/general/security-and-privacy/what-information-does-whatsapp-share-with-the-facebook-companies https://faq.whatsapp.com/general/security-and-privacy/what-i...