Reviewing the evolution of networking over the past centuries is mind boggling. The evolution of technology just in the past 20 years is faster and greater than any other time period of our human existence.
Few companies have withstood the test of technology and time, and the ones that are still standing firm in the microchip sands of time are outstanding with their network ideals and solutions.
[youtube https://www.youtube.com/watch?v=lCg2HctgvJE&fs=1&hl=en_US&rel=0]
One such company is Cisco, HEAR yesterday, HERE today, and still HERE tomorrow!