Google has quietly dropped ban on personally identifiable web tracking

Google has reversed an earlier made promise on privacy and will now allow personally identifiable web tracking:

We may combine personal information from one service with information, including personal information, from other Google services — for example to make it easier to share things with people you know. […] Depending on your account settings, your activity on other sites and apps may be associated with your personal information in order to improve Google’s services and the ads delivered by Google. […]

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IvyDNS blocks tracking that is done by these large players.