Patent ID: 8219803

Claim:
A system for unlocking a content associated with a printed media, the system comprising: a server memory configured to store a media database having a set of key data directly corresponding to one or more content units making up the printed media; and a server processor configured to execute an authentication module residing in the server memory, the authentication module configured to: generate an authentication key using at least one key data from the set of key data; determine an address in the printed media of at least one content unit corresponding respectively to each of the at least one key data used to generate the authentication key; provide the address to the user; request, from the user, to provide data corresponding to the address from the printed media; receive, from the user, the data in response to the request; compare the data with the at least one key data used to generate the authentication key; and unlock the content associated with the printed media if the data matches the authentication key.