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.
বৈজ্ঞানিক ব্যবস্থাপনার জনক কে? https://digitaltuch.com/who-is-the-father-of-scientific-management/