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.
校長的話 - 04/12/14 https://www.bcs-usa.org/2014/04/15/%e6%a0%a1%e9%95%b7%e7%9a%84%e8%a9%b1-041214/