The nonprofit World Wide Web Consortium (W3C) has posted a public plea on the Internet for information it needs to overturn a patent held by one of its members, Intermind, that covers methods of exchanging metadata (data about data) over networks. The patent covers parts of the W3C's new protocol for protecting the personal information of Web users, known as P3P. The standards body wants P3P freely adopted; Intermind wants royalties from users.

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