The 17th Century: The Invention of the First "Computers"

The devices often considered the first "computers" in our understanding were rather calculators than the sophisticated combination of hard- and software we call computers today.

In 1642 Blaise Pascal, the son of a French tax collector, developed a device to perform additions. His numerical wheel calculator was a brass rectangular box and used eight movable dials to add sums up to eight figures long. Designed to help his father with his duties, the big disadvantage of the Pascaline was its limitation to addition.

Gottfried Wilhelm von Leibniz, a German mathematician and philosopher, in 1694 improved the Pascaline by creating a machine that could also multiply. As its predecessor Leibniz's mechanical multiplier likewise worked by a system of gears and dials. Leibniz also formulated a model that may be considered the theoretical ancestor of some modern computers. In De Arte Combinatoria (1666) Leibniz argued that all reasoning, all discover, verbal or not, is reducible to an ordered combination of elements, such as numbers, words, colors, or sounds.

Further improvements in the field of early computing devices were made by Charles Xavier Thomas de Colmar, a Frenchmen. His arithometer could not only add and multiply, but perform the four basic arithmetic functions and was widely used up until the First World War.

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acceleration

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On-line Advertising Revenues

Although Internet advertising only really started in 1994, revenues showed a steady and fast growth. In 1997 US$ 906.5 million were spent on on-line advertising. Compared with advertising revenue for the television industry in equivalent dollars for its third year, the Internet was slightly ahead, at US$ 907 million compared to television's US$ 834 million. 1998 on-line advertising grew by 112 percent to US$ 1.92 billion in revenues, and is on track to hit US$ 4 billion in 1999, which would put Internet advertising at about 2 percent of the U.S. ad market.

Table: Spending on On-Line Advertising by Category

(first quarter 1999)

Category

Percent

Consumer-related

27 %

Financial services

21 %

Computing

20 %

Retail/mail order

13 %

New media

8 %



Table: Types of On-Line Advertising

(first quarter 1999)

Type of Advertising

Percent

Banners

58 %

Sponsorships

29 %

Interstitials

6 %

E-mail

1 %

Others

6 %



Source: Internet Advertising Bureau (IAB).

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Sponsorship Models

With new sponsorship models being developed, even further influence over content from the corporate side can be expected. Co-operating with Barnes & Nobel Booksellers, the bookish e-zine FEED for instance is in part relying on sponsoring. Whenever a specific title is mentioned in the editorial, a link is placed in the margin - under the heading "Commerce" - to an appropriate page on Barnes & Noble. Steve Johnson, editor of FEED, says "We do not take a cut of any merchandise sold through those links.", but admits that the e-zine does indirectly profit from putting those links there.

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Steganography

Ciphers as well as codes are transmitted openly. Everyone can see that they exist. Not so with steganograms.
Steganography is the art and science of communicating in a way which hides the existence of the secret part in that communication. During the Italian Renaissance and the time of the Elizabethan Age in England cryptography was very popular, for political reasons as well as for amusements (see John Dee).
In literature steganography played an important role. Many steganographs of that period have only been deciphered recently like some of the Shakespearean sonnets, which now seem to proof that the actor William Shakespeare was not the author of the famous poems and dramas, but that the latter' name was, and Francis Bacon, or even Francis Tudor, as some ciphers and other sources talk of him as Queen Elisabeth I.'s secret son.

for further details see:
http://home.att.net/~tleary/
http://www.thur.de/ulf/stegano/
http://www2.prestel.co.uk/littleton/gm2_rw.htm

One kind of steganogram is digital watermarking:
Watermarks protect digital images, videos, but also audio and multimedia products. They are made out of digital signals, put into other digital signals. They try to be invisible on first sight and should be nearly impossible to remove. The process of producing watermarks is to overlay some sort of identifying image over the original image (non-digital watermarks, like on money can be seen by holding the paper against light). Copying the image destroys the watermark, which cannot be copied. Any alteration of the original destroys the watermark, too.

Watermarking is one of the typical inventions of cryptography to assist the biggest content owners, but advertised as something necessary and helpful for everybody. Who in fact gets any advantage out of watermarking? The private user most of the time will not really need it except for small entities of pictures maybe.
But the big enterprises do. There is a tendency to watermark more and more information in the Internet, which until now was considered as free and as a cheap method to receive information. Watermarking could stop this democratic development.

for further information see:
http://www.isse.gmu.edu/~njohnson/Steganography

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The Advertising Industry

The advertising industry is dominated by three huge advertising networks, which offer their services throughout the world. Gross income of the three leading agencies is twice as much, as the one of places four to ten.

Table: World's Top 10 Advertising Organizations 1999

(figures in millions of U.S. dollars)

Rank 1999

Advertising Organization

Headquarters

World-Wide Gross Income 1999

1

Omnicom

New York, USA

$ 5,743.4

2

Interpublic Group of Cos.

New York, USA

$ 5,079.3

3

WPP Group

London, UK

$ 4,819.3

4

Havas Advertising

Levallois-Perret, France

$ 2,385.1

5

Dentsu

Tokyo, Japan

$ 2,106.8

6

B Com3 Group

Chicago, USA

$ 1,933.8

7

Young & Rubicam Inc.

New York, USA

$ 1,870.1

8

Grey Advertising

New York, USA

$ 1,577.9

9

True North

Chicago, USA

$ 1,489.2

10

Publicis SA

Paris, France

$ 1,434.6



Table: Top 10 Global Marketers 1998

(figures in millions of U.S. dollars)

Rank 1998

Advertiser

Headquarters

World-Wide Media Spending 1998

1

Procter & Gamble Co.

Cincinnati (US)

$ 4,747.6

2

Unilever

Rotterdam (NL)/London (UK)

$ 3,428.5

3

General Motors Corp.

Detroit (US)

$ 3,193.5

4

Ford Motor Co.

Darborn (US)

$ 2,229.5

5

Philip Morris Cos.

New York

$ 1,980.3

6

Daimler Chrysler

Stuttgart (GER)/Auburn Hills (US

$ 1,922.2

7

Nestle

Vevey (SUI)

$ 1,833.0

8

Toyota Motor Corp.

Toyota City (JP)

$ 1,692.4

9

Sony Corp.

Tokyo (JP)

$ 1,337.7

10

Coca-Cola Co.

Atlanta (US)

$ 1,327.3



On the other hand the three biggest advertisers only spend about US$ 2 millions less than places four to ten together. Whereas money spent on advertising in traditional media comes from very diverse categories, companies offering computer hard- and software, peripherals or Internet services mainly pay for on-line advertisements.

Table: Top 10 Internet Advertisers 1998

(figures in millions of U.S. dollars)

Rank 1998

Advertiser

Internet Spending 1998

1998 - 1997 % Change

1

Microsoft Corp.

$ 34.9

9.4

2

IBM Corp.

$ 28.5

58.6

3

Compaq Computer Corp.

$ 16.2

169.8

4

General Motors Corp.

$ 12.7

84.8

5

Excite

$ 12.4

1.5

6

Infoseek Corp.

$ 9.3

22.3

7

AT&T Corp.

$ 9.3

43.5

8

Ford Motor Co.

$ 8.6

46.7

9

Hewlett-Packard Co.

$ 8.1

102.9

10

Barnes & Noble

$ 7.6

280.2



Source: Advertising Age

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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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Product Placement

With television still being very popular, commercial entertainment has transferred the concept of soap operas onto the Web. The first of this new species of "Cybersoaps" was "The Spot", a story about the ups and downs of an American commune. The Spot not only within short time attracted a large audience, but also pioneered in the field of online product placement. Besides Sony banners, the companies logo is also placed on nearly every electronic product appearing in the story. Appearing as a site for light entertainment, The Spots main goal is to make the name Sony and its product range well known within the target audience.

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Galileo Galilee

Galileo Galilee (1564-1642), the Italian Mathematician and Physicist is called the father of Enlightenment. He proofed the laws of the free fall, improved the technique for the telescope and so on. Galilee is still famous for his fights against the Catholic Church. He published his writings in Italian instead of writing in Latin. Like this, everybody could understand him, which made him popular. As he did not stop talking about the world as a ball (the Heliocentric World System) instead of a disk, the Inquisition put him on trial twice and forbid him to go on working on his experiments.

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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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Agostino Ramelli's reading wheel, 1588

Agostino Ramelli designed a "reading wheel" which allowed browsing through a large number of documents without moving from one spot.

Presenting a large number of books, a small library, laid open on lecterns on a kind of ferry-wheel, allowing us to skip chapters and to browse through pages by turning the wheel to bring lectern after lectern before our eyes, thus linking ideas and texts together, Ramelli's reading wheel reminds of today's browsing software used to navigate the World Wide Web.

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Medieval universities and copying of books

The first of the great medieval universities was established at 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 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

http://quarles.unbc.edu/ideas/net/history/his...
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Telnet

Telnet allows you to login remotely on a computer connected to the Internet.

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Optical communication system by Aeneas Tacitus, 4th century B.C.

Aeneas Tacitus, a Greek military scientist and cryptographer, invented an optical communication system that combines water and beacon telegraphy. Torches indicated the beginnings and the ends of message transmissions while water jars were used to transmit the messages. These jars had a plugged standard-size hole drilled on the bottom side and were filled with water. As those who sent and those who received the message unplugged the jars simultaneously, the water drained out. Because the transmitted messages corresponded to water levels, the sender indicated by torch signal that the appropriate water level has been reached. It is a disadvantage that the possible messages are restricted to a given code, but as this system was mainly used for military purposes, this was offset by the advantage that it was almost impossible for outsiders to understand these messages unless they possessed the codebook.

With communication separated from transportation, the distant became near.

Tacitus' telegraph system was very fast and not excelled until the end of the 18th century.

For further information see Joanne Chang & Anna Soellner, Decoding Device, http://www.smith.edu/hsc/museum/ancient_inventions/decoder2.html

http://www.smith.edu/hsc/museum/ancient_inven...
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The Spot

http://www.thespot.com/

http://www.thespot.com/
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