Networking is one the greatest and most powerful advances ever made in the field of computing. It has made possible some of histories most important advances in the field of human knowledge and led to the development of the internet, the greatest single invention in information technology since the printing press. Networking multiplies the power of computers many times so that the whole becomes far greater than the sum of its parts. Without a network, a LAN is just a bunch of PCs. But you know what? Without a bunch of PCs, a LAN is just a pile of dead cables, useful for skipping with, perhaps, but bugger all else.

Some network engineers need to be reminded of that occasionally.