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privacy and confidential data in Web Tools

According to a recent poll ConsumersUnion.org (25 Sept. 2010), U.S. consumers remain very concerned about the data that most web sites collect on their surfing habits and purchases.

this in mind, and since late July 2010, the Wall Street Journal (WSJ) offers its readers a more complete record of the phenomenon of called behavioral tracking What They Know .

The WSJ has even created a Twitter account to enable its readers to follow the evolution of this issue. At the end of September 2010, more than 2,500 people were subscribers.

http://twitter.com/whattheyknow

You've probably already asked how it was that when visiting some sites (American or European) banners advertising "local" could appear there, including in French?

addition to the recognition of IP addresses as well as the language displayed by your browser, there are also applications that allow behavioral targeting ( Behavioral Targeting ) based, inter alia, the good old method of "cookie .

A cookie is a text file (a witness) created in the 90s by the engineer Lou Montulli ( Lynx , Netscape , Epinions ) and whose basic concept of memory has been instrumental for electronic commerce (and the little shopping cart).

As such, the cookie is not very threatening to privacy and confidentiality of data but some other applications such as third-party cookies and especially flash cookies remain , we say, more problematic. If it is possible to reject the first using the browser settings, it would be much harder to get rid of the latter, so much so that Wired magazine has an article here .

Here's a video performed by Christina TSUEI the WSJ with an interview with Lou Montulli on how cookies and behavioral targeting:

Finally, as the WSJ never does anything halfway, here is a result of this folder on the tracking in web sites for children ...

See also: The

Tracking Ecosystem (WSJ)

Data Privacy: The Facts of Life (Bruce Schneier)

Thanks for reading!

PL