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The use of such tracking tools may be unknown to most users, according to a research paper.
The methods—known as canvas fingerprinting, evercookies and cookie syncing—are in use across a range of popular websites. The findings, first reported by Pro Publica, show how such tracking is important for targeted advertising but that the privacy risks may be unknown to all but the most sophisticated web users.
Profiling Web users, such as knowing what Web pages a person has visited before, is a central component of targeted advertising, which matches advertisements with topics a person may be interested in. It is key to charging higher rates for advertisements.
Cookies, or data files stored by a browser, have long been used for tracking, but cookies can be easily blocked or deleted, which diminishes their usefulness.
Learn more:
- http://gustmees.wordpress.com/2013/12/21/privacy-in-the-digital-world-shouldnt-we-talk-about-it/
Via Gust MEES
The methods—known as canvas fingerprinting, evercookies and cookie syncing—are in use across a range of popular websites. The findings, first reported by Pro Publica, show how such tracking is important for targeted advertising but that the privacy risks may be unknown to all but the most sophisticated web users.
Profiling Web users, such as knowing what Web pages a person has visited before, is a central component of targeted advertising, which matches advertisements with topics a person may be interested in. It is key to charging higher rates for advertisements.
Cookies, or data files stored by a browser, have long been used for tracking, but cookies can be easily blocked or deleted, which diminishes their usefulness.
Learn more:
- http://www.scoop.it/t/securite-pc-et-internet/?tag=Canvas+Fingerprinting
- http://gustmees.wordpress.com/2013/12/21/privacy-in-the-digital-world-shouldnt-we-talk-about-it/