Examples of Mainly Corporate Funded Think Tanks: Brookings Institution With a budget of US$ 23 million and assets worth US$ 192 million the Brookings Institution, based in Washington D.C., in 1998 was funded by: Corporate and private donations (38 %), endowment (30 %), revenue from conferences and seminars (18 %), sales of publications (9 %), government support (2 %). Among the 138 corporate donors are: Bell Atlantic, Citibank, J.P. Morgan, Goldman Sachs, NationsBank, Exxon, Chevron, Microsoft, Hewlett Packard, Toyota, Pfizer, Johnson & Johnson, Dupont, Mobil and Lockheed Martin, and the foundations of companies like American Express, Travelers, AT&T and McDonnell Douglas. A few media conglomerates, like Time Warner and the Washington Post Co.. Contributions of individual donors include executives from Visa, Procter and Gamble, BankAmerica and U.S. Airways.

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Codices, 1th century B.C. The transformation of writings from scrolls to codices, in basic the hardcover book as we know it today, is an essential event in European history. Quoting accurately by page number, browsing through pages and skipping chapters, all impossible while reading scrolls, become possible. In the computer age we are witnesses to a kind of revival of the scrolls as we scroll upwards and downwards a document we just see a portion of. Maybe the introduction of hypertext is the beginning of a similar change as the replacement of scrolls by codices.

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Chappe's fixed optical network Claude Chappe built a fixed optical network between Paris and Lille. Covering a distance of about 240kms, it consisted of fifteen towers with semaphores. Because this communication system was destined to practical military use, the transmitted messages were encoded. The messages were kept such secretly, even those who transmit them from tower to tower did not capture their meaning, they just transmitted codes they did not understand. Depending on weather conditions, messages could be sent at a speed of 2880 kms/hr at best. Forerunners of Chappe's optical network are the Roman smoke signals network and Aeneas Tacitus' optical communication system. For more information on early communication networks see Gerard J. Holzmann and Bjoern Pehrson, The Early History of Data Networks.

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