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.
第一天上班 https://lyjhc.com/2013/02/%e7%ac%ac%e4%b8%80%e5%a4%a9%e4%b8%8a%e7%8f%ad.html