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.
翻滾 翻滾 .... https://cat-sky.tw/2013/05/09/%e7%bf%bb%e6%bb%be-%e7%bf%bb%e6%bb%be/