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.
衍生著作定義?怎樣會侵權?【不可不知】 https://taiwanlawforum.com/2022/06/30/%e8%a1%8d%e7%94%9f%e8%91%97%e4%bd%9c/