In their enthusiastic charge to protect people from privacy invasion, privacy advocates sometimes get to focused on preventing the disclosure of information. He see bunches of client based tools, often browser plugins that warn people that they are about to submit personal information to web sites that don’t have published privacy policies. Some of the more sophisticated tools will compare an end-user’s preferences to a site’s published policy and inform the user if the site policy is consistent with the user’s preferences.

But focusing on preventing the disclosure of information isn’t enough because people _want_ to disclose their information to companies, both electronically and directly.

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