Information providing system, apparatus for producing a medium for providing the information, apparatus for restoring the provided information, computer product, a medium for providing the information

摘要

An information providing system comprises a two-dimensional encoding section which converts at least the information to be provided to the user into two-dimensional codes, a printed sheet producing section which prints the two-dimensional codes on paper, an image reading device which optically reads the two-dimensional codes printed on the paper, and a CPU which restoring the information to be provided to the user based on the two-dimensional codes read by the image reading device.