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.
藤井四段 インタビュー全文 | NHKニュース https://blog.40ch.net/2017/09/03/fujii-four-steps-interview-full-text/