Startups

After working on it for more than ten years, I sold Doorkeeper, an event management platform I bootstrapped.

Paul McMahon

Learn to calculate your business’s growth ceiling using key metrics like churn rate and customer acquisition.

Paul McMahon

Mark Zuckerberg's focus on creating a simple, relevant product for college students shaped Facebook's success. Learn how his early strategy became a key lesson for entrepreneurs.

Paul McMahon

Bitcoin's hype is challenged by its low daily transactions. This article examines why Bitcoin is far from replacing traditional payment systems and proving its viability.

Paul McMahon

A curated list of the best resources for developers starting a business—from blogs and podcasts to conferences and real-world advice from entrepreneurial engineers.

Paul McMahon

After adding a security contributors page to our small startup’s site, we were flooded with low-value bug reports. Here’s how a simple thank-you turned into ongoing security noise—and what we learned.

Paul McMahon