“How unique that fingerprint is could depend on what is being measured or tested.”

Our privacy regulations have got a lot to catch up with.

“This process is therefore called ‘net internet ride fingerprinting.'”

A surveillance camera pointed directly at the screen on a laptop computer.

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He admitted that some extensions take steps to prevent detection.

Conversely, those with many extensions will have a less common fingerprint, making them more prone to tracking.

online window fingerprinting isn’t illegal since it doesn’t identify a user.

A concept image of a group of people tracking a web browser.

Sesame / Getty Images

“Our privacy regulations have got a lot to catch up with.”