Most Of The Fiber We Built Is Still Dark
In 2001, in the trough of the dotcom bust, a generation of telecom engineers had just finished laying down what may be the single largest infrastructure overbuild in modern American history. By the most widely cited industry estimates from the early 2000s — Telegeography, Tier1 Research, FCC reports of the period — somewhere upwards of eighty percent of the long-haul fiber installed during the 1998–2002 buildout had never been lit. Hyperscaler usage since roughly 2010 has consumed a meaningful chunk of it, but even now, by every credible reconstruction I can find, long-haul utilization across the US remains well below half....