The device, which costs about $40,000, is called a spectrum analyzer. And for years Dooley, a consultant and self-appointed expert who left college after a year, has been measuring and recording wireless data traffic—the billions of transmissions that travel back and forth from smartphones and laptops to cell towers, routers, and other Internet connections. If you’re checking Facebook on your iPhone and Dooley is nearby, his machine will see it and light up. And if hordes of people are posting pictures to Instagram and streaming Netflix videos all around him, the display on Dooley’s machine will turn bright red. Dooley takes the readings to track which parts of the electromagnetic spectrum—the frequencies that carry everything from radio signals to X-rays—are degrading from overuse. He likes to think of himself as a “21st-century version of a land surveyor.” ... What Dooley’s machine is telling him now is this: Wi-Fi is headed for a collapse. The preferred Internet connection for most users is quickly becoming overcrowded, he argues, and could soon be overwhelmed. ... According to Cisco, the amount of data transmitted via Wi-Fi is projected to nearly triple in the next four years. The problem, says Dooley, is that the signals from all our wired devices are increasingly beginning to bump into one another, causing performance to suffer. ... a growing chorus of critics say that Globalstar’s warnings about a Wi-Fi apocalypse are completely unfounded—and that its plan, rather than fixing spectrum congestion, would actually make the situation much worse.
Conventional wisdom says that globalization has stalled. But although the global goods trade has flattened and cross-border capital flows have declined sharply since 2008, globalization is not heading into reverse. Rather, it is entering a new phase defined by soaring flows of data and information. ... Remarkably, digital flows—which were practically nonexistent just 15 years ago—now exert a larger impact on GDP growth than the centuries-old trade in goods ... although this shift makes it possible for companies to reach international markets with less capital-intensive business models, it poses new risks and policy challenges as well. ... The world is more connected than ever, but the nature of its connections has changed in a fundamental way. The amount of cross-border bandwidth that is used has grown 45 times larger since 2005. It is projected to increase by an additional nine times over the next five years as flows of information, searches, communication, video, transactions, and intracompany traffic continue to surge. In addition to transmitting valuable streams of information and ideas in their own right, data flows enable the movement of goods, services, finance, and people. Virtually every type of cross-border transaction now has a digital component.