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.
2018年12月20日(火)中学校でプログラミングの授業@北区立赤羽岩淵中学校 http://kita.j-code.org/kitaku/report/2018/12/21/1718/