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.
母校生活点滴 http://xmu60.org/2018/02/07/%e6%af%8d%e6%a0%a1%e7%82%b9%e6%bb%b4/