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.
錯判的中風 https://www.brain-classroom.com/2013/08/%e9%8c%af%e5%88%a4%e7%9a%84%e4%b8%ad%e9%a2%a8/