Complexly
In 2007, brothers Hank and John Green faced a common problem: they lived thousands of miles apart and wanted to stay connected. Rather than relying on traditional phone calls or emails, they decided to start posting video blogs to each other on YouTube, a platform that was still relatively new and strange to most people.
What started as a private communication method between brothers quickly caught the attention of YouTube viewers. The daily Vlogbrothers posts resonated with audiences and became an early viral hit on the platform, growing organically as people tuned in to watch their content. The brothers didn't aggressively market or pitch—the content itself drove discovery and engagement.
The viral success of Vlogbrothers validated their core insight: there was significant demand for educational, entertaining video content. Hank Green has articulated his philosophy for growth: "What's exciting? What's causing you the most stress? Head in that direction." This approach guided their expansion beyond the original channel.
Over time, the single video channel evolved into Complexly, a full-scale production studio creating some of the most entertaining educational content on the internet. The brothers have also become hugely successful authors—John's young adult novel The Fault in Our Stars is one of the best-selling books of all time. The business has grown into a sprawling collection of ventures spanning video production, publishing, and educational media, all built on the foundation of that initial viral success.
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