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Ben Nadel at CFUNITED 2010 (Landsdown, VA) with: Ken Auenson
Ben Nadel at CFUNITED 2010 (Landsdown, VA) with: Ken Auenson ( @KenAuenson )

Feature Flags Book: Types Of Feature Flags

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Feature flags vary in both the type of variants that they serve and in the way they're expected to operate within your application. Short-lived, Boolean-based features flags are likely to be the first type that you use. Their on/off state is easy to reason about; and, it closely aligns with the if statements that we already use in our application control flow. But, feature flags can be used—and abused—in many different ways.


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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Ben Nadel