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://9lib.co/document/7qv19m1q-專利侵權之探索性研究以智慧財產法院之實證判決資料為基政大學術.html