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.
照腦非萬能 https://www.brain-classroom.com/2013/05/%e7%85%a7%e8%85%a6%e9%9d%9e%e8%90%ac%e8%83%bd/