After a long discussion with one of the VPN folks, it seems that the way we're detecting VPN use actually can't tell us whether it's been used in the next 30 days. I've talked to Venetia, and we'll be using exactly the same targeting that we've got on preview for the 98 release experiment, and updating another already-filed bug to make future sure future campaign actually do better, in particular by telling us whether that user is a VPN subscriber, and we may well want to expose this as an experiment targeting criterion as well. I'll update this bug with more details and links to the others in the coming week.
Bug 1756177 Comment 7 Edit History
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After a long discussion with one of the VPN folks, it seems that the way we're detecting VPN use actually can't tell us whether it's been used in the last 30 days. I've talked to Venetia, and we'll be using exactly the same targeting that we've got on the beta experiment for the 98 release experiment, and updating another already-filed bug to make future sure future campaign actually do better, in particular by telling us whether that user is a VPN subscriber, and we may well want to expose this as an experiment targeting criterion as well. I'll update this bug with more details and links to the others in the coming week.