This P3P Validator is compatible with P3P spec from Sep 15, 2000 to Sep 28, 2001. Test you implementation's compliancy and be alerted to errors.

Web Privacy with P3P includes many examples of P3P policies and policy reference files. The longer examples can be downloaded from this web site. The book also includes references to a variety of online resources. The URLs for these resources are also...

Platform for Privacy Preferences Project, P3P is a protocol for privacy protection on the Web. The W3C is the governing body issuing the standard.

This is a guide for site operators deploying the Platform for Privacy Preferences (P3P). It provides information on the tasks required, and gives guidance on how to best complete them.

This is the specification, W3C recommendation date: 16-05-2002, of the Platform for Privacy Preferences (P3P). This document, along with its normative references, includes all the specification necessary for the implementation of interoperable P3P app...

A list of sites compliant with the P3P specifications. Compiled by the W3C and a useful reference for learning by example.

From AT&T, this tool has been designed primarily to translate existing privacy policies into P3P syntax. AT&T states that it is for demonstration purposes and to gain experience with P3P implementations.

Carnegie Mellon University project provides research into large-scale distributed and automated negotiations for privacy and the complementary negotiations for digital rights management. Articles, slide presentations, experimental tools.

This O'Reilly Network article has two parts: the first is an overview of P3P, written by Simson Garfinkle; the second section, written by Lorrie Cranor, offers a more in depth look and examples.

The AT&T Privacy Bird is a free browser plug-in that reads privacy policies written in the standard P3P format, specified by the W3C, and displays them in an easy to understand language. Works with Microsoft Internet Explorer 5.01, 5.5, or 6.0.