Nowadays smartphones are an ubiquitous part of many civilizations, but not so long ago telephones of any sort were a rare commodity -- and the infrastructure was enormously expensive. When telephones hit the mass market, companies focused on densely-populated urban areas, leaving rural communities with no hope of getting a phone line. Until, that is, a group of MacGyver-esque farmers figured out an ingenious way to connect not just themselves, but everyone in their town. See omnystudio.com/listener for privacy information.