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.
前往機度的難度題 https://iamsy.com/%e5%89%8d%e5%be%80%e6%a9%9f%e5%ba%a6%e7%9a%84%e9%9b%a3%e5%ba%a6%e9%a1%8c/