Abstract: A video data and web site data stored compact disk (CD) comprises: a first data zone for storing and providing video data to a VCD player for reproduction, and a second data zone for storing and providing video data of a plurality of web pages for a browser to execute hypertext link with the first data zone, so that the VCD player can perform playback of the video data stored in the first data zone when the CD is placed in the VCD player or the browser can access the web pages when the CD is placed in a computer.

Abstract: A method for download of songs from the Internet is applicable to a system architecture comprising a plurality of client computers, a server computer, and a plurality of song-providing computers. The server computer is applied to receive a song-download and a song-payment instruction from a client computer, and encode the chosen song to include at least a playback limitation and song data before downloading to the client computer for prevention of illegal song-spread.