My main issue with this that I think it would be difficult to protect patient privacy or to run this giant database.

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If politicians in Washington approve the so-called Marketplace Fairness Act, they'll not only be authorizing extraterritorial tax enforcement, they'll also be setting in motion the creation of a database that will erode privacy for consumers and create opportunities for identity theft.

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The department wants to exempt the database from some provisions of the Privacy Act, as NPR's Pam Fessler reports.

NPR: Privacy Groups Sound Warning on Homeland Security Database

But Shibboleth handles all the identification and authentication of users in between the school and the database, thus reducing the complexity of management and protecting the privacy of individual users.

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But privacy advocates say they're nervous because so little is known about the database and how it will be used and secured.

NPR: Privacy Groups Sound Warning on Homeland Security Database

Alliance Tech's founders, Roger Lewis, 48, Timothy Blackwood, 46, and Arturo Borrego, 44, get lots of questions about invasion of privacy but insist that their system avoids snooping by storing any personal information in a separate database.

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