How do AI changes affect feature experimentation for product teams?

AI-powered features have disrupted traditional A/B testing models for product teams, necessitating new approaches such as feature flags and progressive delivery to manage the complexities introduced by AI's non-deterministic behavior and infrastructure demands. Feature flags allow teams to decouple deployment from release, enabling continuous code shipping while maintaining control over user exposure, which is crucial when AI tools generate code faster than traditional testing infrastructure can handle. Progressive delivery provides runtime control, allowing teams to deploy first and test in production with controlled exposure, adjusting rollout percentages or reversing changes instantly if needed. Metrics for AI experimentation need to extend beyond user behavior to include model performance, latency, infrastructure costs, and error rates, requiring robust analytics integration across entire tech stacks. Backend experiments, often invisible to users, also benefit from feature flags, allowing teams to test and measure infrastructure optimizations and safety measures without disrupting user experience. Compliance requirements are met by treating feature flag changes as auditable events, integrating with systems like ServiceNow for seamless change management. This approach supports rapid AI development while ensuring risk management, as demonstrated by Wayfair's frequent production deployments and the lessons from the June 2025 Google Cloud outage.