How to Turn Failures into Billion-Dollar Companies: Cal Henderson on Slack and Flickr

About this episode

From Failed Game to Two Tech Giants

Sometimes the most successful companies emerge from the biggest failures. Few people embody this insight better than Cal Henderson, Co-Founder of Slack and previously involved in creating Flickr. In this Unicorn Bakery interview, he tells the fascinating story of how a failed online game gave birth to two revolutionary platforms.

The Origin: A Game That Never Worked

Neither Slack nor Flickr were founded as such. It all began with a vision to develop a game that would better connect people via the internet. But when it became clear that the game itself wouldn't be successful, Henderson and his co-founders faced an important decision: give up or pivot?

They chose the latter – and did so twice. From the building blocks of the failed game, first Flickr emerged, and years later, Slack. Both companies revolutionized their respective markets and proved that failure is often just the first step toward success.

The Art of Successful Pivoting

In the interview, Henderson provides detailed insights into the founding stories of both companies. Particularly interesting: how the team managed to develop two completely different but equally successful products from the same technical foundations. The key was letting go of the original vision and instead focusing on what actually worked.

The founding stories of Flickr and Slack exemplify how important it is to remain flexible and be ready to change course when the data points in a different direction.

Scaling and Company Culture

A central theme of the conversation is the challenge of establishing and maintaining company culture while scaling from a small team to over 1,000 employees. Henderson emphasizes the crucial role of the team in this process. Culture doesn't emerge by itself – it must be consciously designed and nurtured, especially during periods of rapid growth.

The experiences at Slack show that successful scaling means more than just adding more people. It's about codifying the values and working methods that made the company successful in the first place.

Looking to the Future: AI, Blockchain, and AR/VR

Henderson also shares his assessments of the most important technology trends in the coming years. Three areas are in focus:

Artificial Intelligence at Slack: How will AI improve workflows in Slack and increase user productivity? Henderson provides concrete insights into plans and possibilities.

Blockchain Technology: What real impact will blockchain have on our working world, beyond the hype around cryptocurrencies?

AR/VR Relevance: Are Augmented and Virtual Reality really the next big revolution, or will they remain niche technologies for longer?

Emerging Markets in Focus

Another exciting aspect of the interview is Henderson's thoughts on emerging markets. As someone who has successfully created new product categories twice, he brings a unique perspective on which areas have the greatest potential in the coming years.

The Most Important Lesson

The story of Cal Henderson and his companies teaches us a fundamental truth about entrepreneurship: failure is not the opposite of success, but often its foundation. The ability to learn from failures, to pivot, and to let go of the original vision in the process can make the difference between a failed project and a billion-dollar company.

For founders, this interview is a valuable reminder that the path to success is rarely linear – and that sometimes the best business ideas emerge from the ruins of failed projects.