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.
小肥糖說 https://cat-sky.tw/2012/04/17/%e5%b0%8f%e8%82%a5%e7%b3%96%e8%aa%aa-3/