However, after a feature has either been 100 percent rolled out to our users or an experimental feature has been deemed unsuccessful, the feature flag in the code becomes obsolete.
These flags allow us to, for example, localize the user’s experience in different regions where we operate and, more importantly, to gradually roll-out features to our users and experiment with different variations of the same functionality.
At Uber, we use feature flags to customize our mobile app execution, serving different features to different sets of users.
