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.
一些你想像不到的 Facebook 世界 Vs. 真世界資料比拼 https://qooah.com/2013/07/26/facebook-world-vs-the-real-world/