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.
打通任督二脈 Letter Sealing 助你成為 LINE 訊息安全達人 https://qooah.com/2015/12/17/line-letter-sealing-feature/