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.
【ニュース解説】コロナ検査 唾液と粘膜どっちが正解? チャート図で説明 http://hiroshi39jp.php.xdomain.jp/?p=213821