End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
Linux 背後的思想 https://blog.wongcw.com/2019/11/10/linux-%e8%83%8c%e5%be%8c%e7%9a%84%e6%80%9d%e6%83%b3/