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/qmwlx95z-情報処理学会研究報告デジタル遺品に対する外部記憶装置を用いた伝達ツルの開発.html