A system, method, and article of manufacture is provided for tracking the distribution of content electronically. First, an electronic storage medium tracking identifier is incorporated onto an electronic storage medium and stored on a database. Next, a package tracking identifier is situated onto a...http://www.google.es/patents/US6405203?utm_source=gb-gplus-sharePatente US6405203 - Method and program product for preventing unauthorized users from using the content of an electronic storage medium
Method and program product for preventing unauthorized users from using the ...
