At PayPal, we run experiments all the time. Any change in UI/content or any change that impact users have to be run through A/B test to determine if it works.
If things are done without A/B testing then it basically would be HIPPO(highest paid person opinion) symptom.
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At PayPal, we run experiments all the time. Any change in UI/content or any change that impact users have to be run through A/B test to determine if it works.
If things are done without A/B testing then it basically would be HIPPO(highest paid person opinion) symptom.