How to Change Your WhatsApp Settings Before Facebook Data Sharing Begins

It won't make a difference. Your data has been shared[1] ("Facebook and the other companies in the Facebook family also may use information from us") and will be shared more aggressively as time passes.

Facebook bought WhatsApp for $19.3 billion[1]. That's $19,300,000,000. Among the companies that least respects user privacy, Facebook spent this money for a reason.

WhatsApp is just going through the expected process of amending their legal policies for clarity and to more closely mimic Facebook's business practices[1]: "We may amend or update our Privacy Policy. We will provide you notice of amendments to this Privacy Policy, as appropriate"

[1] https://www.whatsapp.com/legal/#privacy-policy-our-global-op...

[2] http://money.cnn.com/2014/02/19/technology/social/facebook-w...