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.
ブログを書く https://clasec.sono-sys.net/2014/02/%e3%83%96%e3%83%ad%e3%82%b0%e3%82%92%e6%9b%b8%e3%81%8f/