WhatsApp Real-Time Language Translation PRD

🎯 Objectives

1. Enable seamless communication between users speaking different languages.
2. Increase user engagement and retention by breaking down language barriers.
3. Expand WhatsApp's global reach and accessibility.
4. Enhance the user experience by providing instant, accurate translations within the app.
5. Maintain WhatsApp's commitment to privacy and end-to-end encryption while introducing the translation feature.

🔧 Feature: Real-Time Language Translation

Functionality

1. Automatic Language Detection: Detect the language of incoming messages.
2. In-line Translation: Provide translations directly within the chat interface.
3. Multi-language Support: Initially, 20 major languages will be supported, with plans to expand.
4. Translation Toggle: This allows users to switch between original and translated text easily.
5. Voice Message Translation: Transcribe and translate voice messages.
6. Group Chat Translation: Enable translations in group conversations.
7. Customization Options: Allow users to set preferred languages and translation settings.
8. Offline Mode: Provide basic translation capabilities when offline.

Technical Considerations

1. Integrate a robust machine learning-based translation API.
2. Ensure translations are processed locally on the device to maintain end-to-end encryption.