It states "End-to-end encryption means that your messages are encrypted to protect against us and third parties from reading them".
Most of us have been using WhatsApp for years and are a part of multiple groups with friends and family members. Unlike competing services, it also doesn't collect metadata that can be linked back to users. "We also use your information to respond to you when you contact us".
The changes to the WhatsApp terms and services will take effect on February 8.