Be yourself – You can use your existing phone number and address book to securely communicate with your friends.Development is supported by users like you. Feel free – Signal is a completely independent 501c3 nonprofit.Signal is optimized to operate in the most constrained environment possible. Go fast – Messages are delivered quickly and reliably, even on slow networks.Privacy isn’t an optional mode - it’s just the way that Signal works. Say anything – State-of-the-art end-to-end encryption (powered by the open source Signal Protocol™) keeps your conversations secure.

Signal’s advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you. Send and receive high-fidelity messages, participate in HD voice/video calls, and explore a growing set of new features that help you stay connected. The reason may be that Signal is coming from a small non-profit group, Still, delivering on mass market appeal is essential for the app, since messenger apps lacking an audience don’t tend to get very far. We’ll have to see if the app’s encryption capabilities are enough to attract users.Millions of people use Signal every day for free and instantaneous communication anywhere in the world. Then again, that doesn’t explain why video calling can be accomplished in the mobile version, or why there isn’t a standalone desktop app independent from a browser. Voice and video calling isn’t as easy to implement securely in a browser. Granted, there’s a solid reason for this. Video calling, meanwhile, is missing from them both. In the app, users can pull up chat windows to communicate in either individual or group settings with the added ability to attach photos and videos, similar to iMessage or Google Hangouts. Unfortunately, while the mobile app boasts an audio calling feature, it’s notably absent on the desktop version. WhatsApp launches crypto-powered mobile payments in the U.S. You can finally move your WhatsApp chats from Android to iOS

WhatsApp adds new privacy features that everyone should start using

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