changes during normal execution.
The late 1990s buildout of fiber-optic networks, in which companies spent billions to pull dark fiber across continents and under oceans, saw borrowers like WorldCom, Global Crossing, and others go under. The shale revolution that prompted U.S. oil and gas companies to issue $350 billion in debt to fund drilling led to hundreds of bankruptcies after oil prices swooned in 2014 and 2015. Going back even further to the early 1900s, the widespread adoption of electric power led to a buildout that saw roughly half of the 3,000 small utilities and power companies that existed either disappear or get sold during a brutal decade of consolidation. In each case, there were also long-term victors who inherited infrastructure and reaped the benefits of these expansions in the form of lower-cost bandwidth, cheaper consumer prices, and large manufacturers that consolidated the power grid.，推荐阅读Snipaste - 截图 + 贴图获取更多信息
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ФБР предупредило Калифорнию о возможной атаке Ирана20:49，更多细节参见移动版官网
当地时间3月7日，一份美国国务院内部电报显示，美国正敦促斯里兰卡政府不要将一艘被击沉的伊朗军舰幸存者以及另一艘伊朗舰船船员遣返回伊朗。