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O'Reilly Leaks Geeks' Docs
O'Reilly's main Web site, as well as connected sites like Perl.com and XML.com, offer visitors free password-protected accounts for posting comments and subscribing to the publisher's e-mail lists.
Until Monday, clicking on a link for reviewing and changing your user profile would land you at a URL of the form www.oreillynet.com/cs/user/edit/u/66848.
It turns out the number at the end is a sequentially-assigned user I.D., and by simply substituting other numbers one could browse or modify other people's profiles. The profiles include full name and email addresses, and, more rarely, physical mailing address, employer, title and phone number.
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