Many fiber-optic lines

unused despite rising demand

[Mike_Mackin]

Shortages could start appearing late this year. In one worst-case scenario, fiber networks that were intended to have enough capacity for 20 years would get filled up in five.

USA Today [usatoday.com]

[Brett_Tabke]

And what do they say? That there is 75% excess capacity that is already in the ground and unused?