System Design: WhatsApp
Learn to design a WhatsApp messenger.
WhatsApp is the most popular, simple, secure, and reliable messaging system that allows users to send text, voice, and multimedia messages.
In today’s technological world, WhatsApp is an important messaging application that connects billions of people around the globe. Many users start their day by reading or sending WhatsApp messages to their friends and family. According to July 2021 estimates, WhatsApp has two billion active users worldwide. Further, an average WhatsApp user spends approximately 19.4 hours per month on the application.
In December 2020, the WhatsApp CEO tweeted that WhatsApp users share more than 100 billion messages per day, an increase ...