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.
愈想愈無謂 https://www.shungyeung.com/2017/10/17/%e6%84%88%e6%83%b3%e6%84%88%e7%84%a1%e8%ac%82/