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.
■心の鍵 https://takeuchiyoshihiro.com/2012/09/03/%e2%96%a0%e5%bf%83%e3%81%ae%e9%8d%b5/