Google's Reverses Policy Against Fingerprinting
 by Stephen Mahaney

Google's Reverses Policy Against Fingerprinting — by Stephen Mahaney

Google recently moved to allow advertisers to use fingerprinting techniques. This is a reversal of a previous stance where they had restricted such practices.

This change enables advertisers to track users across various devices and websites by collecting data points like IP addresses, operating system details, and screen resolution.

Privacy Concerns

This decision has raised significant privacy concerns, as fingerprinting can be a very effective and difficult-to-detect method of tracking users. Regulators, particularly in the EU and the UK, have expressed strong concerns about this policy change. The UK's Information Commissioner's Office (ICO) has criticized the move, highlighting that fingerprinting reduces user choice and control.

Impact

This change allows for more precise ad personalization and attribution, which benefits advertisers. However, it also creates challenges for users who wish to maintain their online privacy. Unlike cookies that can be deleted, fingerprinting is much harder for the average user to control.

Context

This is happening during a time where the advertising industry is shifting away from 3rd party cookies. So other forms of user tracking are being put into use. In summary, Google is now allowing the use of fingerprinting for advertising, which has sparked considerable debate and concern regarding user privacy.

Understanding Digital Fingerprinting

Digital fingerprinting is a method of tracking users online by collecting specific information about their devices and browser configurations. This information, when combined, creates a unique "fingerprint" that can be used to identify and track individuals across websites and over time.

How Fingerprinting Works

Fingerprinting relies on the fact that every device and browser has unique characteristics such as:

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