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.
スパコン「富岳」世界一 演算速度・実用性能・ビッグデータ・人工知能 理研、先代「京」以来9年ぶり http://hiroshi39jp.php.xdomain.jp/?p=72676