writes "Buried in comments to a blogger's post about his research regarding Sprint's release of 8 million GPS records to law enforcement in one year are the law enforcement guidance manuals issued by yahoo, facebook, and myspace. Each provides helpful hints for law enforcement regarding the specific data available (with a mere subpoena and without any judicial scrutiny), and even sample request language to use in different circumstances. According to the manual, facebook retains IP information about its users for 30 days and has an application called "Neoprint" to deliver a handy packet of information about subscribers, including profile contact information, mini-feed, friend listing (with friend's facebook ID), group listing and messages. Law enforcement may also request a "photoprint:":
The Photoprint is a compilation of all photos uploaded by the user that have not
been deleted, along with all photos uploaded by any user which have the
requested user tagged in them.
This may explain how, as previously reported here, a Canadian insurer was able to rely on private photos from a woman's facebook page to cancel her insurance."
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