What Is Signal, and Why Is Everyone Using It? - How-To Geek
https://www.howtogeek.com/708916/what-is-signal-and-why-is-everyone-using-it/
WEBMar 4, 2022 · It's free. The user experience of Signal is just like WhatsApp, Facebook Messenger, and other popular chat apps. It's a messaging app with features like one-to-one messages, groups, stickers, photos, file transfers, voice calls, and even video calls. You can have group chats with up to 1000 people and group calls with up to eight people .
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