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.
https://9lib.co/document/y6e99p24-高雄市復華高級中學科技校院繁星計畫推薦作業實施計畫16.html