> if you support per-ID flags Don't do that. That sounds more like user preferences, which feature flags are not meant to solve. Feature flags are supposed to

> if you support per-ID flags Don't do that. That sounds more like user preferences, which feature flags are not meant to solve. Feature flags are supposed to enable features for some x% of users, which you can do by something like `user_id % 100 < x` (no database query required).