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Jan was born in a small town outside of Kiev, Ukraine. He was an only child. His mother was a housewife, his father a construction manager. When Koum was sixteen, he and his mother immigrated to Mountain View, California, mainly to escape the anti-semitic environment of their homeland. Unfortunately, Jan’s father never made the trip. He got stuck in the Ukraine, where he eventually died years later. His mother swept the floors of a grocery store to make ends meet, but she was soon diagnosed with cancer. They barely survived off her disability insurance. It certainly wasn’t the most glamorous childhood, but he made it through. After college, Jan applied to work at Yahoo as an infrastructure engineer. He spent nine years building his skills at Yahoo, and then applied to work at Facebook. Unfortunately, he was rejected. In 2009, Jan bought an iPhone and realized there was an opportunity to build something on top of Apple’s burgeoning mobile platform. He began building an app that could send status updates between devices. It didn’t do very well at first, but then Apple released push notifications. All of the sudden, people started getting pinged when statuses were updated. And then people began pinging back and forth. Jan realized he had inadvertently created a messaging service. The app continued to grow, but Jan kept quiet. He didn’t care about headlines or marketing buzz. He just wanted to build something valuable, and do it well. By early 2011, his app had reached the top twenty in the U.S. app store. Two years later, in 2013, the app had 200 million users. And then it happened: In 2014, Jan’s company, WhatsApp, was acquired by Facebook―the company who had rejected him years earlier―for $19 billion. I’m not telling this story to insinuate that you should go build a billion-dollar company. The remarkable part of the story isn’t the payday, but the relentless hustle Jan demonstrated throughout his entire life. After surviving a tumultuous childhood, he practiced his craft and built iteratively. When had had a product that was working, he stayed quiet, which takes extreme discipline. More often than not, hustling isn’t fast or showy. Most of the time it’s slow and unglamorous―until it’s not.
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