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.
中国疫苗或有比较长期的保护作用:最早受试者抗体仍维持较高水平 https://codingnote.cc/zh-tw/p/215337/