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.
定点観測 http://www.slj-co.jp/2018/09/11/%e5%ae%9a%e7%82%b9%e8%a6%b3%e6%b8%ac/