Packs of teenagers rip through Hara-juku, Tokyo's hip youth mecca, sporting the latest in-line skates and matching wristband cell phones—in vibrant shades of Amazon green and orange. Company samurai on their way to work download news to their light metallic palmtop computers, hooking up plastic LCD screens that roll out like a scroll for easy viewing. And homemakers, undecided about what to buy for dinner, pan supermarket food sections with their tiny videophones, relaying color images to family members. On their way out, they pay for their purchases by flashing their handsets past a sensor.
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