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.
https://123deta.com/document/zx5m8jgn-情報処理学会の研究動向─コンピュータと教育研究会を中心して.html