Online Tracking Increases, Fueled by Ad Auctions - WSJ.com

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On Mon, 18 Jun 2012 19:05:22 GMT
In Online Tracking Increases, Fueled by Ad Auctions - WSJ.com

Online Tracking Ramps Up
Popularity of User-Tailored Advertising Fuels Data 
Gathering on Browsing Habits 
By JULIA ANGWIN

            Online tracking on 50 of the 
most-visited websites has risen sharply since 
2010, driven in part by the rise of 
online-advertising auctions, according to a new 
study by data-management company Krux Digital Inc.
The average visit to a Web page triggered 56 
instances of data collection, up from just 10 
instances when Krux conducted its initial study, 
in November 2010. The latest study was conducted 
last December.
The rapid rise in the number of companies 
collecting data about individuals' Web-surfing 
behavior is testament to the power of the $31 
billion online-advertising business, which 
increasingly relies on data about users' Web 
surfing behavior to target 

More at …http://online.wsj.com/article_email/SB10001424052702303836404577472491637833420.html#printMode


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Received on Monday, 18 June 2012 19:07:04 UTC