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.
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 [2]: https://faq.whatsapp.com/general/security-and-privacy/what-i...