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.
学生转班了 https://willywah.net/2008/01/%e5%ad%a6%e7%94%9f%e8%bd%ac%e7%8f%ad%e4%ba%86/