WhatsApp is a popular instant messaging app that allows users to communicate with friends, family, and colleagues all over the world. The app has revolutionized the way we communicate, making it easier and more convenient to stay in touch with others. In this article, we will explore how WhatsApp works and the technology behind it. WhatsApp is a cross-platform app that can be used on both Android and iOS devices. The app uses end-to-end encryption to ensure that all messages, calls, and media are secure and private. When a user sends a message, the message is encrypted on their device and can only be decrypted by the recipient's device, ensuring that the message is protected from interception or eavesdropping. WhatsApp also uses the internet to send messages, which means that users can send messages to anyone, anywhere in the world without incurring SMS charges. The app uses a peer-to-peer network to send messages, which means that messages are sent directly between users without...
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