摘要：1 Current situation in content
distribution
Music and image contents can be delivered directly
to the users as digitized data via network. These contents
themselves are intangible properties such as knowledge
and information, so they are more “friendly” to network
transactions compared to physical, tangible properties.
By progress in broadband and the establishment of fixedcharge
systems, the Internet is positioning itself as the
content-distribution medium. At present, various companies
are working on a variety of content distribution
businesses via the Internet.
