If you enabled it previously, they have all your contacts. If you turned it off ... | Hacker News

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		halfmatthalfcat on Jan 7, 2021 \| parent \| context \| favorite \| on: Poll: Switching from WhatsApp If you enabled it previously, they have all your contacts. If you turned it off I assume they wont be able to see updates or new contacts you add.

tarkin2 on Jan 7, 2021 [–]

Yes. But with the new contacts, when I message them, will fb see that number? (I’m guessing yes, since all the address book does it match names to numbers)

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