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.
【温度差がない設計の自由 鎌田紀彦-堀部安嗣対論】 http://kochihen.replan.ne.jp/?p=21659