Hulubaloo Over Online Tracking

The Wall Street Journal, which has been on the issue of computer privacy like Brown on Williamson, has revealed the next level of online tracking:

Latest in Web Tracking: Stealthy ‘Supercookies’

Major websites such as and have been tracking people’s online activities using powerful new methods that are almost impossible for computer users to detect, new research shows.

The new techniques, which are legal, reach beyond the traditional “cookie,” a small file that websites routinely install on users’ computers to help track their activities online. Hulu and MSN were installing files known as “supercookies,” which are capable of re-creating users’ profiles after people deleted regular cookies, according to researchers at Stanford University and University of California at Berkeley.

The Journal helpfully provides this graphic:

The supercookie bakers gave the standard response they resort to in these situations: we had no idea, but we’ll stop the tracking now that you’ve detected it.  (At least until the tracking geeks come up with something else we’re unaware of.)

This is serious business for marketers since, as the Journal reports, “nearly 80% of online display ads are based on tracking data.”

And it’s just going to get worse, not better. Most privacy legislation seems stalled on Capitol Hill, and the online-ad industry’s self-policing gives marketers a lot of wiggle room.

Supercookies and milking your data. Just dessert in a wired world, eh?

Originally posted on Sneak ADtack. And don’t forget to vote in our excellent poll there.

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One Response to Hulubaloo Over Online Tracking

  1. arafat kazi says:

    Man, it’s almost as if browsers should come with some sort of anti-tracking feature which would ensure privacy and can be enabled with a few clicks. Browsers like Chrome or Firefox maybe.

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