A published document comprises a printed document and at least one memory
attached to the printed document, wherein said at least one memory
comprises an electrical circuit without an integral power source but may
be powered wirelessly so that it may transmit information wirelessly,
wherein at least a portion of the information stored in the published
document for display to the user is provided in said at least one memory.
A method of viewing information in such a published document comprises
viewing information printed in the printed document, powering the memory
circuit with a reader device to transmit information stored in the memory
circuit to the reader device wirelessly, and displaying the information
stored in the memory circuit by means of the reader device for viewing by
the user. An appropriate reader device and method for publishing the
document are described.