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Ethernet is Still Going Strong After 50 Years
(spectrum.ieee.org)
This is a most excellent place for technology news and articles.
Let's also mention how cheap basic managed and unmanaged switches are today. I just bought a couple to improve my wiring situation.
Even proper managed switches! Our clients, "I can't find a free port to plug in the computer you sent."
"Is it really worth losing your whole business for a day because you don't have a $150 Dell from eBay?!"
And these particular businesses make all their money on one day of the week!
Optical devices and cables have gone a lot cheaper. Only problem is they are significantly harder to splice and require specialist equipment.