New Forms of Propaganda (in the 19th Century)

As soon as governments found out that newspapers were a fantastic and very often unsuspicious medium for supporting propaganda they tried to pull them to their side.
Two ways existed:
a) to have one's own newspaper, which implies that mostly friends of the government read it. Nothing is regarded as something neutral.
b) to keep a good relationship to the most powerful/most frequently read newspapers and then try to make one's opinion theirs.
Today mostly elected is b), trying to set up alliances. CNN and the USA during the Gulf War demonstrated an example of that.

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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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