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.
回報及波幅 https://www.mpfdiy.com/2016/09/%e5%9b%9e%e5%a0%b1%e5%8f%8a%e6%b3%a2%e5%b9%85/