The Internet can be used in in different ways: for distributing and retrieving information, for one-to-one, one-to-many and many-to-many communication, and for the access services. Accordingly, there are different services on offer. The most important of these are listed below.
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Hardware Devices
Those have to be acquired and installed by the user. For example under a debit card approach, the user purchases a debit card that is pre-loaded with a certain amount of value. After installation, the debit card is debited automatically as the user consumes copyrighted works.
Digital Certificates
Hereby a certification authority issues to a user an electronic file that identifies the user as the owner of a public key. Those digital certificates, besides
Centralized Computing
Under this approach all of the executables remain at the server. Each time the executable is used, the user's computer must establish contact with the server, allowing the central computer to meter access.
Access Codes
Access code devices permit users to "unlock" protective mechanisms (e.g. date bombs or functional limitations) embedded in copyrighted works. Copyright owners can meter the usage of their works, either by unlocking the
Copyright Clearinghouses
Under this approach copyright owners would commission "clearinghouses" with the ability to license the use of their works. A user would pay a license fee to obtain rights concerning the intellectual property.
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Although advertising, public relations and think tanks at first seem to have nothing in common, after a closer look certain similarities arise.
The first thing which can be noted is that public relations and the advertising industry, as well as - especially conservative - think tanks like the Heritage Foundation or the Brookings Institute have strong ties to corporate firms. Whereas the connection between the advertising and public relations industry and corporations is based on a consultant - client relation many think tanks heavily rely on corporate funding to pursue their activities. Therefore the interests of corporate firms are to an - in some cases considerable - extent reflected in their activities.
Furthermore the aims of public relations and advertising firms and think tanks are not too different. Their main goal is to sell ideas and values. Albeit it sometimes makes the impression, as if only products, services and understanding (in the case of public relations) are sold, for the greater part the only thing being marketed is (political) ideology.
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Looking for ways to create intelligent machines, the field of
Investment banking firm and securities dealer. Founded in the 19th century in Philadelphia, in 1993 Smith Barney became a wholly owned subsidiary of Travelers Group Inc. The 1998 merger of Citicorp and Travelers Group brought together Citibank, Travelers, Salomon Smith Barney, Commercial Credit and Primerica under Citigroup's trademark red umbrella.
b. Nov. 2, 1815, Lincoln, Lincolnshire, England
d. Dec. 8, 1864, Ballintemple, County Cork, Ireland
English mathematician who helped establish modern symbolic logic and whose algebra of logic, now called Boolean algebra, is basic to the design of digital computer circuits. One of the first Englishmen to write on logic, Boole pointed out the analogy between the algebraic symbols and those that can represent logical forms and syllogisms, showing how the symbols of quantity can be separated from those of operation. With Boole in 1847 and 1854 began the algebra of logic, or what is now called Boolean algebra. It is basically two-valued in that it involves a subdivision of objects into separate classes, each with a given property. Different classes can then be treated as to the presence or absence of the same property.
In 1996 the firm, which was by then the second-largest bank in the United States, merged with another New York-based bank, The Chase Manhattan Corporation, to form the largest bank in the nation. Though the Chemical Banking Corporation had been the larger partner in the merger, the resulting firm was called The Chase Manhattan Corporation.
One of the world's largest corporate entities in sales, consisting of companies in more than 100 countries, whose shares are owned by NV Koninklijke Nederlandsche Petroleum Maatschappij (Royal Dutch Petroleum Company Ltd.) of The Hague and by the "Shell" Transport and Trading Company, PLC, of London. Below these two parent companies are two holding companies, Shell Petroleum NV and the Shell Petroleum Company Limited, whose shares are owned 60 percent by Royal Dutch and 40 percent by "Shell" Transport and Trading. The holding companies, in turn, hold shares in and administer the subsidiary service companies and operating companies around the world, which engage in oil, petrochemical, and associated industries, from research and exploration to production and marketing. Several companies also deal in metals, nuclear energy, solar energy, coal, and consumer products.