When an Information Card-enabled application or website wishes to obtain information about the user, the application or website requests a particular set of claims from the user. The CardSpace UI then appears, switching the display to the CardSpace service, which displays the user's stored identities as visual Information Cards. The user selects the InfoCard to use and the CardSpace software contacts the issuer of the identity to obtain a digitally signed XML token that contains the requested information. CardSpace also allows users to create personal (also known as self-issued) Information Cards, which can contain one or more of 14 fields of telephone book-quality identity information (that is to say, labeled and categorized information, such as full name, address, etc., though most field