Copyright Management and Control Systems: Post-Infringement Post-infringement technologies allow the owners of copyrighted works to identify infringements and thus enhance enforcement of intellectual property rights and encompass systems such as: Steganography Applied to electronic files, steganography refers to the process of hiding information in files that can not be easily detected by users. Steganography can be used by intellectual property owners in a variety of ways. One is to insert into the file a "digital watermark" which can be used to prove that an infringing file was the creation of the copyright holder and not the pirate. Other possibilities are to encode a unique serial number into each authorized copy or file, enabling the owner to trace infringing copies to a particular source, or to store copyright management information. Agents Agents are programs that can implement specified commands automatically. Copyright owners can use agents to search the public spaces of the Internet to find infringing copies. Although the technology is not yet very well developed full-text search engines allow similar uses. Copyright Litigation While not every infringement will be the subject of litigation, the threat of litigation helps keep large pirate operations in check. It helps copyright owners obtain relief for specific acts of infringement and publicly warns others of the dangers of infringement.

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Vinton Cerf Addressed as one of the fathers of the Internet, Vinton Cerf together with Robert Kahn developed the TCP/IP protocol suite, up to now the de facto-communication standard for the Internet, and also contributed to the development of other important communication standards. The early work on the protocols broke new ground with the realization of a multi-network open architecture. In 1992, he co-founded the Internet Society where he served as its first President and later Chairman. Today, Vinton Cerf is Senior Vice President for Internet Architecture and Technology at WorldCom, one of the world's most important ICT companies Vinton Cerf's web site: http://www.wcom.com/about_the_company/cerfs_up/ http://www.isoc.org/ http://www.wcom.com/

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