However, WhatsApp does not collect information about the contents of user messages. The company uses end-to-end encryption, which means that only the sender and recipient of a message can read its contents. This means that WhatsApp cannot access or read the messages sent by its users. In conclusion, while WhatsApp does collect some personal data from its users, including phone numbers and device information, it does not collect information about the contents of user messages. The company claims that this data is used to improve its services and that it does not share user data with third parties for advertising purposes. However, users should be aware of the data that WhatsApp collects and make an informed decision about whether or not to use the app.