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.
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延伸閱讀 https://will-news.info/2020/04/15/%e5%bb%b6%e4%bc%b8%e9%96%b1%e8%ae%80-11/