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.
該放手了 https://www.side-gas.org/2013/09/%e8%a9%b2%e6%94%be%e6%89%8b%e4%ba%86/