Bug 1555176 Comment 11 Edit History

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(In reply to Tim Smith 👨‍🔬 [:tdsmith] from comment #10)
> Thanks, Alicia! I asserted that it's category 1 because if experiments are enabled, the enrollment IDs will be created automatically without any user intervention. The identifiers themselves are random and do not contain information. Knowing that an enrollment ID for a client exists doesn't let us infer anything about user actions (except that Firefox was running during the experiment's enrollment period, which is generally true for Cat 1 data).

Thanks Tim.  That makes sense.  Bug 1555172 called it cat 2 so if there is a discrepancy in the way we define it for category purposes we should make sure we are clear why its Cat 2 in 1555172 and Cat 1 here.
(In reply to Tim Smith 👨‍🔬 [:tdsmith] from comment #10)
> Thanks, Alicia! I asserted that it's category 1 because if experiments are enabled, the enrollment IDs will be created automatically without any user intervention. The identifiers themselves are random and do not contain information. Knowing that an enrollment ID for a client exists doesn't let us infer anything about user actions (except that Firefox was running during the experiment's enrollment period, which is generally true for Cat 1 data).

Thanks Tim.  That makes sense.  Bug 1555172 called it cat 2 so if there is a discrepancy in the way we define it for category purposes we should make sure we are clear why its Cat 2 in 1555172 and Cat 1 here.  Looks like that is because this is the ID creation bug and 155172 is related to the events themselves.

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