The copper wire used to hook up Japanese homes is newer and runs in shorter loops to telephone exchanges than in the United States. This is partly a matter of geography and demographics: Japan is relatively small, highly urbanized and densely populated. But better wire is also a legacy of American bombs, which razed much of urban Japan during World War II and led to a wholesale rewiring of the country.
In 2000, the Japanese government seized its advantage in wire. In sharp contrast to the Bush administration over the same time period, regulators here compelled big phone companies to open up wires to upstart Internet providers.
