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.
聖若瑟書院 http://www.hkmakers.hk/blog/2018/01/29/%e8%81%96%e8%8b%a5%e7%91%9f%e6%9b%b8%e9%99%a2/