WhatsApp issues ultimatum: Share data with Facebook or lose account
If you aren't paying for it, you are the product
New ToS won't apply to users who opted-out in 2016
Why you should heed Musk's advice and switch to Signal
Unlike WhatsApp, which needs to generate revenue for Facebook in order to make business sense, the Signal messenger app is funded by user donations to cover operational costs. This affords Signal freedom from selling user data to cover development, infrastructure, and bandwidth costs. The messaging service also incorporates key WhatsApp features such as end-to-end encryption as well as voice/video calling.