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.
[發現了沒?] 避免語病/錯字, Facebook現已可以編輯留言 https://qooah.com/2012/06/22/facebook-allowed-edit-comments-now/