SooTalk: Private Messenger

1. Core Features SooTalk redefines social messaging with intuitive features: Instant Communication: Support 1-on-1 private chats and 10000-member group chats, Support audio and video chatting. Read receipts and 7-day cloud backup . Multimedia Sharing: Send HD pics , videos, voice messages,and live location (friend-only). Video Conference: Multiple people can have audio and video conversations, such as business meetings, webinars, and online education. 2. Security & Privacy Encryption: End-to-end AES-256 for messages (serverless decryption key). User Control: Delete sent messages at any time and can be deleted from the recipient, block/report users, delete chat history, and permanent data wipe on account deletion. 3. Cross-Device Experience Sync messages across mobile & PC. PC client minimizes to taskbar for uninterrupted use. Customization: Multiple themes (including dark mode), chat backgrounds, notification sounds, and "Do Not Disturb" (friends only). 4. Compliance & Support GDPR/CCPA compliant. Privacy policy accessible on login. 24/7 customer support (response ≤15min), version update notifications 7 days in advance with rollback options.