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.
追加的註解 https://a-fei.idv.tw/2013/06/21/%e8%bf%bd%e5%8a%a0%e7%9a%84%e8%a8%bb%e8%a7%a3/