Meta says the link won’t be turned on automatically, so it’s up to you to decide if linking WhatsApp to Accounts Center is something you’re into. If you do so, Meta will start using your WhatsApp information “to do things like provide, personalize, and improve its products and services, including to show you ads,” according to a help page about the change.
Meta’s other apps won’t use WhatsApp personal data “unless it’s to determine how many people we serve, keep people…
