Ever since the 1980s the term “information society” has been spreading more and more widely and at an increasing speed. It includes the idea of a society that is based on information and communication technology (ICT) permeating every aspect of it. The last 25 years have seen unprecedented technical developments in many areas of our lives.
Whether directly or indirectly, the internet plays a major and decisive role in all this. Large volumes of data and signals are transmitted over the internet at high speed and are processed by sophisticated ICT systems. They now allow the remote monitoring of machines and provide control over manufacturing processes – a development summed up under the term “Industry 4.0”.
But the internet also permits the efficient use of electricity from renewable energy sources, with “smart” solutions that help to control and channel the flow of electric power to wherever it is needed. A variety of different ICT systems interact with each other in traffic engineering. Such systems, however, can only function if signals – i.e. carriers of information – are transmitted. And signal transmission is handled either by metallic conductors, usually made from copper, or optical conductors – both products from the cable industry.
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