WhatsApp has been able to successfully offer both targeted advertisement and end-to-end encryption. This is possible because targeted advertisement is done by analyzing the users' data, which does not involve any encryption of data.Therefore, WhatsApp does not have to compromise on its end-to-end encryption protocols for targeted advertising.
Let's take a look at how WhatsApp is able to do this.
Firstly, WhatsApp does not store user data itself, instead it is anonymized and stored with third-party companies. This allows WhatsApp to offer targeted advertisement without the need of any encryption protocols. Additionally, the third-party companies then use this data to analyze user preferences, interests and behaviors which can then be used for targeted advertising.
Secondly, WhatsApp uses end-to-end encryption to secure messages, calls and data in order to protect user data. This is done to ensure that no third-party can access the data without user permission and that the user data is kept safe and secure. Furthermore, this allows users to have a secure and private conversation without the need of worrying that their data is being accessed by outsiders.
In conclusion, WhatsApp is able to offer both targeted advertisement and end-to-end encryption without having to compromise either of the two services. Through the process of anonymizing user data and using encryption protocols, WhatsApp is able to make sure that users' privacy is protected while still being able to offer advertisers access to user data in a secure manner.
For more information about how WhatsApp uses end-to-end encryption, you can visit this link: https://www.whatsapp.com/security/