Fiber optic cable upgrades make some TVs obsolete. Here’s a guide.

Astound, Service Electric Cable TV, Comcast/Xfinity and Verizon Fios are expanding their fiber optic networks. What that ...
CNET

Is the optical cable dying?

It was once the most high-tech and futuristic feature you could find: Transmit sound -- with light! Lasers! A cable not of copper, but glass! Except, it was almost never glass, and was usually ...