A method of facilitating an interaction between a user and an item, said item comprising a product contained in a package, said package having an interface surface containing information relating to the item, the interface surface having disposed thereon coded data indicative of an identity of the item...http://www.google.es/patents/US7753257?utm_source=gb-gplus-sharePatente US7753257 - Method of facilitating interaction between user and packaged product
Method of facilitating interaction between user and packaged product