A method and apparatus of encouraging distribution, registration, and purchase of free copyable software and other digital information which is accessed on a User's System via a Programmer's Program. Software tools which can be incorporated into a Programmer's Program allow the User to access Advanced...http://www.google.com.tw/patents/US7158954?utm_source=gb-gplus-share專利 US7158954 - System and method for processing protected video information
