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.
Aula Inaugural do PPGECM - Ano 2017 https://wp.ufpel.edu.br/ppgecm/2017/05/10/aula-inaugural-2017/