Unfortunately I lost the bookmark to the study on that, all I can find are the most extreme examples:
Posted on 08/04/2011 9:00:40 AM PDT by Veristhorne
By using state of the art technology, Facebook is able to suggest which friends might be in photos that users upload. But the feature has raised concerns among privacy advocates, who worry the site is saving sensitive biometric data.
Although users can opt out of the service, this only prevents Facebook from identifying them in photos automatically - it does not stop the service from gathering data from photos.
Johannes Caspar, Hamburg’s data protection official, on Tuesday said the feature was a serious violation of people’s rights to determine what is done with their personal data. He added that German authorities would take quick legal action if Facebook did not comply with his demands.
(Excerpt) Read more at thelocal.de ...
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