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.
全黑的环境也能人脸识别?红外人脸识别技术助力人脸识别更自由! https://codingnote.cc/zh-my/p/569752/