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.
開発援助の現場から第10回 エジプト:上下水道事業 https://www.glminstitute.org/blog/2006/08/01/development_field_no10/