In the fast-paced environment of software development, product managers and engineers are tasked with regularly releasing impactful new features while managing a backlog of promising ideas. This is often complicated by the need for code changes that either require partial rollouts to test impact or mitigate risk, prompting teams to adopt agile development practices. A critical tool in this process is the use of feature flags, which allow teams to control feature deployment flexibly and reversibly, thus enabling rapid testing and adaptation without full code redeployment. Feature flags not only help manage risks and prevent product degradation by allowing quick disabling of problematic features, but they also facilitate A/B testing by tailoring experiences based on user segments. However, they do introduce technical complexity, necessitating careful management to maintain code cleanliness. The adoption of such tools is essential for staying competitive and improving the end-user experience, as they support agile methodologies and enable faster experimentation with less bias.