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.
災害ビッグデータ分析技術 【FUJITSU JOURNAL(富士通ジャーナル)】 http://hiroshi39jp.php.xdomain.jp/?p=41975