Chapter 8. Feature Management and Experimentation
In Chapter 7, we explored the challenges and best practices for deploying software to production. We focused on strategies to mitigate risk and ensure reliability, looking at progressive deployment strategies, paired with robust rollback mechanisms. This approach helps us identify issues in new software versions early to safeguard the integrity of production systems. Recall that we touched on feature flags as one important progressive deployment strategy; feature flags are a mechanism to deploy individual features within a single version of software in a progressive way. In this chapter, we will continue the discussion on the use of feature flags as a tool for managing feature deployment.
We will also dive deep into another role of feature flags—how they can drive experimentation. While feature flags are great for reducing deployment risks and enabling progressive delivery, their impact goes far beyond that. When enhanced with AI, they empower you to run experiments to learn about your users, optimize your feature design ideas, validate hypotheses, and make data-driven decisions that improve product usability, engagement, and overall business outcomes.
Feature management and experimentation management are closely related—feature flags are the fundamental on/off switches that control whether a specific piece of functionality is enabled. Feature management systems provide the infrastructure for controlling how and when features are ...
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