By Gene J. Koprowski UPI Technology News Published 12/8/2004 3:20 PM CHICAGO, Dec. 8 (UPI) -- During the late 1990s, an area called Silicon Alley emerged in New York City as an East Coast alternative to California's Silicon Valley. More recently, the Silicon Prairie emerged in Iowa as home to many Internet start-ups. As the World Wide Web continues to mature as a medium, other cities are desperately vying for dot-com businesses, offering economic incentives, building out fiber-optic infrastructure and high-speed digital subscriber lines, even in rural regions, far from metro areas, hoping to capture some of the job growth...