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.
失望的教师节 https://willywah.net/2008/05/%e5%a4%b1%e6%9c%9b%e7%9a%84%e6%95%99%e5%b8%88%e8%8a%82/