Patent ID: 8670647

Claim:
A system comprising: a storage part that stores video that has been produced at a first time; a playing part, that plays said stored video, said playing part including a commercial speed detecting part that detects whether commercials within the stored video were played at normal speed, and produces an indication that the commercials were played at normal speed, and plays portions other than said commercials normally only when said indication has been produced that the commercials were played at normal speed, wherein said playing part automatically displays a screen responsive to detecting that a first of the commercials were played at faster than normal speed, and wherein said screen includes a link that can be selected to automatically change a position of viewing to a beginning of the first commercial that was played at faster than normal speed; wherein said storage part stores at least one part of video as encrypted information that can only be decrypted when said at least one commercial has been played at said normal speed and where reading at faster than normal speed will cause the playing part to fail to read information from a decryption code, thereby producing an improper decryption code.