It must be impossible to falsify ownership or track individual readers of any document. In order to make this possible, the system must guarantee that the owner of any information will be paid their chosen royalties on any portions of their documents, no matter how small, whenever and wherever they are used. Every Xanadu server is uniquely and securely identified. Every Xanadu server can be operated independently or in a network. Every user is uniquely and securely identified.
Every user can search, retrieve, create and store documents.
Every document can consist of any number of parts each of which may be of any data type. 2g Links are visible and can be followed from all endpoints. 2h Permission to link to a document is explicitly granted by the act of publication. Every document is uniquely and securely identified. Every document can have secure access controls.