Provided is a system for providing information to a user via an interactive medium. The system includes a server with a memory, a printer and a wireless interface. The printer is configured to supply the interactive medium in the form of a printed page with visible and invisible data thereon, said invisible data indicative of page descriptors stored in the memory. The system also includes a monitoring device configured to sense user interaction with the medium and to sense and transmit the invisible data to the server via the wireless interface. The server is configured to interpret the user interaction in relation to the sensed page descriptors.