View fullsize Wire, Barbed → August 16, 2017 by Marc Handelman in All is Information, Common Sense, Communication Security, Communications, Information Security, Telecom The telecom of the 19th century North American West. via Kottke. In-built physical security, easy propagation, no need to duplicate the medium. Signals traversed easily, good conductivity, low(ish) resistance, what more did they (i.e, we) need?