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.
老母-黃志明 https://lyjhc.com/2019/01/%e8%80%81%e6%af%8d-%e9%bb%83%e5%bf%97%e6%98%8e.html