TechKnight

WhatsApp has recently updated its terms and privacy policy.This new set of terms and conditions allows Whatsapp to share your number with Facebook in order enable communications between you and various businesses,hence boosting Facebook's Ad revenues.

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This number sharing plan of the instant messaging app serves as an add-on to Facebook’s advertisement business. “And by connecting your phone number with Facebook’s systems, Facebook can offer better friend suggestions and show you more relevant ads if you have an account with them,” WhatsApp blog writes.

“For example, you might see an ad from a company you already work with, rather than one from someone you’ve never heard of.”