0 - 1400 A.D. 150 A smoke signals network covers the Roman Empire The Roman smoke signals network consisted of towers within a visible range of each other and had a total length of about 4500 kilometers. It was used for military signaling. For a similar telegraph network in ancient Greece see Aeneas Tacitus' optical communication system. About 750 In Japan block printing is used for the first time. 868 In China the world's first dated book, the Diamond Sutra, is printed. 1041-1048 In China moveable types made from clay are invented. 1088 First European medieval university is established in Bologna. The first of the great medieval universities was established in Bologna. At the beginning universities predominantly offered a kind of do-it-yourself publishing service. Books still had to be copied by hand and were so rare that a copy of a widely desired book qualified for being invited to a university. Holding a lecture equaled to reading a book aloud, like a priest read from the Bible during services. Attending a lecture equaled to copy a lecture word by word, so that you had your own copy of a book, thus enabling you to hold a lecture, too. For further details see History of the Idea of a University, http://quarles.unbc.edu/ideas/net/history/history.html

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Basics: Protected Works Usually the subject matter of copyright is described as "literary and artistic works" - original creations in the fields of literature and arts. Such works may be expressed in words, symbols, pictures, music, three-dimensional objects, or combinations thereof. Practically all national copyright laws provide for the protection of the following types of works: Literary works: novels, poems dramatic works and any other writings, whether published or unpublished; in most countries also computer programs and "oral works" Musical works Artistic works: whether two-dimensional or three-dimensional; irrespective of their content and destination Maps and technical drawings Photographic works: irrespective of the subject matter and the purpose for which made Audiovisual works: irrespective of their purpose, genre, length, method employed or technical process used Some copyright laws also provide for the protection of choreographic works, derivative works (translations, adaptions), collections (compilations) of works and mere data (data bases); collections where they, by reason of the selection and arrangement of the contents, constitute intellectual creations. Furthermore in some countries also "works of applied art" (furniture, wallpaper etc.) and computer programs (either as literary works or independently) constitute copyrightable matter. Under certain national legislations the notion "copyright" has a wider meaning than "author's rights" and, in addition to literary and artistic works, also extends to the producers of sound recordings, the broadcasters of broadcasts and the creators of distinctive typographical arrangements of publications.

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Legal Protection: TRIPS (Trade-Related Aspects of Intellectual Property Rights) Another important multilateral treaty concerned with intellectual property rights is the TRIPS agreement, which was devised at the inauguration of the Uruguay Round negotiations of the WTO in January 1995. It sets minimum standards for the national protection of intellectual property rights and procedures as well as remedies for their enforcement (enforcement measures include the potential for trade sanctions against non-complying WTO members). The TRIPS agreement has been widely criticized for its stipulation that biological organisms be subject to intellectual property protection. In 1999, 44 nations considered it appropriate to treat plant varieties as intellectual property. The complete TRIPS agreement can be found on: http://www.wto.org/english/tratop_e/trips_e/t_agm1_e.htm

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Timeline 1900-1970 AD 1913 the wheel cipher gets re-invented as a strip 1917 William Frederick Friedman starts working as a cryptoanalyst at Riverbank Laboratories, which also works for the U.S. Government. Later he creates a school for military cryptoanalysis - an AT&T-employee, Gilbert S. Vernam, invents a polyalphabetic cipher machine that works with random-keys 1918 the Germans start using the ADFGVX-system, that later gets later by the French Georges Painvin - Arthur Scherbius patents a ciphering machine and tries to sell it to the German Military, but is rejected 1919 Hugo Alexander Koch invents a rotor cipher machine 1921 the Hebern Electric Code, a company producing electro-mechanical cipher machines, is founded 1923 Arthur Scherbius founds an enterprise to construct and finally sell his Enigma machine for the German Military late 1920's/30's more and more it is criminals who use cryptology for their purposes (e.g. for smuggling). Elizabeth Smith Friedman deciphers the codes of rum-smugglers during prohibition regularly 1929 Lester S. Hill publishes his book Cryptography in an Algebraic Alphabet, which contains enciphered parts 1933-1945 the Germans make the Enigma machine its cryptographic main-tool, which is broken by the Poles Marian Rejewski, Gordon Welchman and Alan Turing's team at Bletchley Park in England in 1939 1937 the Japanese invent their so called Purple machine with the help of Herbert O. Yardley. The machine works with telephone stepping relays. It is broken by a team of William Frederick Friedman. As the Japanese were unable to break the US codes, they imagined their own codes to be unbreakable as well - and were not careful enough. 1930's the Sigaba machine is invented in the USA, either by W.F. Friedman or his colleague Frank Rowlett - at the same time the British develop the Typex machine, similar to the German Enigma machine 1943 Colossus, a code breaking computer is put into action at Bletchley Park 1943-1980 the cryptographic Venona Project, done by the NSA, is taking place for a longer period than any other program of that type 1948 Shannon, one of the first modern cryptographers bringing mathematics into cryptography, publishes his book A Communications Theory of Secrecy Systems 1960's the Communications-Electronics Security Group (= CESG) is founded as a section of Government Communications Headquarters (= GCHQ) late 1960's the IBM Watson Research Lab develops the Lucifer cipher 1969 James Ellis develops a system of separate public-keys and private-keys

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RSA The best known of the two-key cryptosystems developed in the mid-1980s is the Rivest-Shamir-Adleman (RSA) cryptoalgorithm, which was first published in April, 1977. Since that time, the algorithm has been employed in the most widely-used Internet electronic communications encryption program, Pretty Good Privacy (PGP). It is also employed in both the Netscape Navigator and Microsoft Explorer web browsing programs in their implementations of the Secure Sockets Layer (SSL), and by Mastercard and VISA in the Secure Electronic Transactions (SET) protocol for credit card transactions.

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Critical Art Ensemble Critical Art Ensemble is a collective of five artists of various specializations dedicated to exploring the intersections between art, technology, radical politics, and critical theory. CAE have published a number of books and carried out innovative art projects containing insightful and ironic theoretical contributions to media art. Projects include Addictionmania, Useless Technology, The Therapeutic State, Diseases of Consciousness, Machineworld, As Above So Below, and Flesh Machine. http://www.critical-art.net

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Memex Animation by Ian Adelman and Paul Kahn

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CNN CNN is a U.S.-TV-enterprise, probably the world's most famous one. Its name has become the symbol for the mass-media, but also the symbol of a power that can decide which news are important for the world and which are not worth talking about. Every message that is published on CNN goes around the world. The Gulf War has been the best example for this until now, when a CNN-reporter was the one person to do the countdown to a war. The moments when he stood on the roof of a hotel in Baghdad and green flashes surrounded him, went around the world.

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Royalties Royalties refer to the payment made to the owners of certain types of rights by those who are permitted by the owners to exercise the rights. The rights concerned are literary, musical, and artistic copyright and patent rights in inventions and designs (as well as rights in mineral deposits, including oil and natural gas). The term originated from the fact that in Great Britain for centuries gold and silver mines were the property of the crown and such "royal" metals could be mined only if a payment ("royalty") were made to the crown.

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