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.
https://1libvn.com/document/q0527d4l-trình-bày-tưởng-nghiên-cứu-giảm-thiểu-nhiễm.html