Discover the story of WhatsApp's rise to prominence and the ingenious engineering behind its rapid scalability. From a rejected job application at Facebook to a $19 billion acquisition, follow Jan Koum's journey as he revolutionizes communication. Learn how WhatsApp handled an astonishing 50 billion daily messages with just 32 engineers, and uncover the engineering principles that powered this global phenomenon. If you're fascinated by tech success stories and the secrets of extreme scalability, this post is a must-read.
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