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.
https://9lib.co/document/q7wll2wd-目前在電腦上常見的溝通工具乃是即時通訊軟體Instantmessenger簡稱IM.html