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.
《國立空中大學臺北中心,致力推展學生擔任志工服務,永續環境行動學習》 https://www.unitednewsgroup.com/?p=17873