1980On September 30, 1980, Digital, Intel, and Xerox released version 1.0 of the Ethernet specification, also known as the Blue Book. This marked a significant milestone in the development of computer networking technology. Since then, Ethernet has evolved into the de facto standard for local area networks (LAN) in businesses and homes around the world. Today, Ethernet technology is used to connect billions of devices and power the internet as we know it.