This is a archived project. See http://blogs.23.nu/disLEXia/stories/492/ for details and further pointers.

Monday, 16. September 2002

insert_coin: experimental web filtering

http://www.odem.org/static/insert_coin/proxypix/penpals_small.gif" align="right">At the conference today Alvar Freude presented his project insert_coin. Freude and Dragan Espenschied, like Freude a student at the Merz Akademie, programmed a rewriting proxy server in Perl and then changed the settings of all webbrowsers on the university's public computers to use this proxy.

They used the proxy for several manipulations of the other students view of the web. Using a word exchange routine they exchanged names of politicians, parties and so on. "Art" was exchanged for "rubbish", "political party" for "robbers". Every twentieth web access was redirected to a advertisement page at "InterAd.gov". People had to answer a short consumer survey and watch advertisement before they where allowed to continue surfing. All pages of the Merz Akademie, including student's homepages, where shown with pop-up advertisement.

After using a searchengine surfers where shown an additional frame with a form to complain about inappropriate content. The only way to get rid of this frame was to send a complaint. Pages of webmail services where changed to include a box form the "Global Penpal Association"; this box suggested a penpal selected based on your "personal configurations and surfing habits".

The result of their experiment: nobody complained. Even when the students where told what was going on, many of them didn't change their proxy settings back to unfiltered Internet.

What bothered me a bit about the presentation was the absence of ethical considerations in it. They where doing experiments on non consenting humans which comes which a bunch of difficult ethical problems. Interesting stuff nevertheless.
23:58 | #

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