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.
全國教師工會總聯合會高中(職)階段教育現況問卷調查結果說明— 課程諮詢教師建議 https://www.unitednewsgroup.com/?p=18077