Mabye the thorniest ethical problem in Web publishing are links. "We need some sort of universal designation for links that have been purchased as opposed to links that belong to traditional editorial... There's no other medium - with the possible exception of late-late-night television - where this sort of blurring of advertising and editorial is tolerated.", says Steve Johnson from FEED.
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Although the Internet has become ubiquitous, hardly anybody has a clear picture of its economic, political and technical hierarchies. Understanding this major technological development enables to gain an idea of the socio-economic powers structuring the Internet. World-Information.Org investigates the common legend that the Internet is highly decentralized and diversified and therefore not easily controllable and provides an assessment of the architectural properties of this network. It aims at making transparent the
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the word "cipher" comes from the Hebrew word "saphar", meaning "to number". Ciphers are mere substitutions. Each letter of the alphabet gets substituted; maybe by one letter or two or more.
an example:
PLAINTEXT a b c d e f g h i j k l m n o p q r s t u v w x y z
CIPHERTEXT D E F G H I J K L M N O P Q R S T U V W X Y Z A B C
David Kahn can be considered one of the most important historians on cryptography. His book The Codebreakers. The comprehensive history of secret Communication from Ancient Times to the Internet, written in 1996 is supposed to be the most important work on the history of cryptography.