WhatsApp will soon start sharing some of your data with Facebook. This will allow Facebook to show you more targeted ads. You will not see ads on WhatsApp, but you could definitely start seeing Facebook friend suggestions and ads based on your data from WhatsApp. If this makes you uncomfortable and you don't want Facebook to see your WhatsApp data, you need to manually disable the setting on the messaging app. Here's how to stop WhatsApp from sharing your data with Facebook.