> personalized pricing systems as they are more prevalent than I realized. Can you share the worst offenders? I am sure everyone is curious to know. ETA: I w

> personalized pricing systems as they are more prevalent than I realized. Can you share the worst offenders? I am sure everyone is curious to know. ETA: I wonder if this leads to an adversarial service, which lets you do "persona based straw buying" to get the lowest possible price.