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.
地区防災計画学会シンポジウム(第38回研究会)「アフター・コロナとコミュニティ防災」オンライン開催の案内 https://bousainara.com/52511/