Today, the thousands of miles of “dark fiber” across America are a largely underappreciated enabler of the country’s digital economy, silently helping content owners and consumers gain access to high-bandwidth, low-latency infrastructure at low prices. But in the years between the laying of these cables and the present day, many of those responsible went through bankruptcy. These include Metromedia Fiber Network, KPNQwest, 360networks, and, in one of the largest bankruptcies in US history, Global Crossing.