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Ben Nadel at the jQuery Conference 2010 (Boston, MA) with: Elijah Manor
Ben Nadel at the jQuery Conference 2010 (Boston, MA) with: Elijah Manor ( @elijahmanor )

Feature Flags Book: The Hidden Cost Of Feature Flags

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Programmers know the benefits of everything and the trade-offs of nothing.

— Rich Hickey (creator of Clojure)

I believe that feature flags are an essential part of modern product development. But, every architectural choice represents a trade-off; and, so do feature flags. While they do create a lot of value, that value comes at a cost—both literal and figurative.

Whether you're building your own feature flags implementation or you're using a third-party vendor, feature flags cost money. You're either paying for development time and hosting if you build your own implementation; or, you're paying for usage and seats if you buy a managed solution.


In 2023, I published a book titled, "Feature Flags: Transform Your Product Development Workflow". This book contains everything that I've learned over the last 7 years about integrating feature flags into my product development. But, a static book can only take you so far. In an effort to make the book more interactive, I've created a series of blog posts—one per chapter—that provide a place in which the readers and I can discuss the content. You can purchase the book and / or read a preview of each chapter on the book's mini-site. Feel free to leave a question or a comment down below.

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I believe in love. I believe in compassion. I believe in human rights. I believe that we can afford to give more of these gifts to the world around us because it costs us nothing to be decent and kind and understanding. And, I want you to know that when you land on this site, you are accepted for who you are, no matter how you identify, what truths you live, or whatever kind of goofy shit makes you feel alive! Rock on with your bad self!
Ben Nadel