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.
害怕頭暈 https://www.brain-classroom.com/2013/09/%e5%ae%b3%e6%80%95%e9%a0%ad%e6%9a%88/