When Tokyo last hosted the Olympics, in 1964, the unveiling of a bullet train capable of the improbable speed of 210 kph heralded the dawn of a high-tech era in Japan.
Within a decade and a half, innovations such as Sony Corp.¡¯s VCR, Toshiba Corp. flash memory and Space Invaders, the arcade shoot-em up that revolutionized the gaming industry, made Japan synonymous with global technological superiority, and the talk was of it overtaking the U.S. as the world¡¯s biggest economy.
Today, that seems like another age.

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