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://www.unpad.ac.id/2020/12/dosen-fk-unpad-jelaskan-perbedaan-akurasi-tes-antigen-dan-pcr/