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| | Codes, Ciphers and Secret Writing (Test Your Code Breaking Skills)Experiment with cryptography — the science of secret writing. Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks...even invisible writing and sending messages through outer space. Hours of intrigue and challenge. 45... | | |
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| | The Internet: An Ethnographic ApproachAn examination of Internet culture and consumption. The Internet is increasingly shaping, and being shaped by, users' lives. From cybercafes to businesses, from middle class houses to squatters settlements, the authors have gathered material on subjects as varied as personal relations, commerce, sex and religion. Websites are also analyzed as new... | | |
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