Negotiation protocols allow two agents to flexibly communicate about how they wish to interact. DSig couples an assertion with a cryptographic signature block bridges the gap between second and third generation. These tools enable others to create new applications, offer sophisticated services and to build Web markets.
Sites make assertions about their privacy practices.
Users express their privacy preferences over those practices. Negotiation between the site's supported and user's desired practices results in an agreement. The interaction between the site and user is flexible. Users can find the level of privacy most appropriate for their sense of privacy and the type of interaction they wish to have with that site. She can now browse the Web seamlessly .