Hacker News new | ask | show | jobs
by duskwuff 1219 days ago
> So the actual gotcha here is that there is no cohort for "feature flag B only", right?

And that, as you add more tests, user 00 will always get the test treatment for every test. If you're running a lot of tests which introduce experimental features or changes to workflows, user 00 is probably going to find the site a lot more chaotic and hard to understand than user FF, and that will skew your test results.