[paulkon]

This right here is important. We could be running fiber end to end in the near future. Ethernet would end up obsolete like the phone line.

[fach]

How would running fiber make Ethernet obsolete? Physical medium and framing on the wire are fairly orthogonal.

[JoshTriplett]

People commonly use the word "Ethernet" to mean "Ethernet cable", as in a copper cable with an RJ45 on it, not just "Ethernet protocol", which is used over both copper and fiber alike.