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Transparency for behavioral profiling

Submitted by Danny Weitzner on Mon, 2008-03-10 10:01. ::

The original appearance of this entry was in Danny Weitzner - Open Internet Policy

Behavioral targeting is pervasive on the Web. As documented by a very nicely-researched New York Time story today (’To Aim Ads, Web Is Keeping Closer Eye on You,’ NYT, by Louise Story, 10 March 2008.) it’s now clear that each of us who use popular search engines and portals are the subject of thousands of individual data collection events per month of Web usage.

I’m glad to see some clear analysis of the practice out there but would like to see an additional level of transparency. If it is the case that profiling is benign, then why not tell uses what aspect of their profile triggered the placement of a particular ad. The ad delivery systems all make decisions about which ads to place for a given user from some properties of that user that are either known or inferred. Why not just tell us what those properties are along with the add placement. This would go a long way toward eliminating the feeling that we’re being ’spied on’ because it would eliminate any sense of secrecy about what is learned in the course of the behavioral monitoring. My guess is that many people would ignore the profile data, but some would check it, and we’d all have piece of mind from knowing that whatever is being done is happening out in the open.

According to the Times, data is collected on which web pages we look at and is then combined with other data (demographics, browsing history, purchases on partner sites, etc.). Right on cue traditional privacy advocates declare that profiles developed in this way (based on our behavior) do (or should) make us feel uneasy:

“When you start to get into the details, it’s scarier than you might suspect,” said Marc Rotenberg, executive director of the Electronic Privacy Information Center, a privacy rights group. “We’re recording preferences, hopes, worries and fears.”

No doubt people (as least some people) feel alarmed about this and probably others are either implicitly or explicitly happy to have the right ads targeted to them. As an online ad agency exec said in the article:

“Everyone feels that if we can get more data, we could put ads in front of people who are interested in them,” he said. “That’s the whole idea here: put dog food ads in front of people who have dogs.”

Unless were going to require an outright ban on this sort of behavioral targeting, the question what to do about it. Is the goal to allay people’s fears? To limit the use of the profiles? Or to help people avoid incorrect targeting?

The statistics developed by comScore for the New York Times article do a nice job of illustrating the magnitude of data collection that happens. Jules Polonetsky, AOL’s Chief Privacy Officer, is launching a new consumer education campaign to explain the mechanics of data collection and tracking to users. The light that both the Times stories and the AOL campaign shed on marketing practices is valuable.

Many people are going to far more interested in how this profiling actually effects them, than on the overall magnitude of the practice. Is there any reason not to be upfront with people about the basis for delivering an ad? If there is, then there is reason to feel that we’re being deceived or maniplated, not assisted, by the behavior tracking techniques.