Silicon Alley—(New York City) a nickname for an area in lower Manhattan, where there is a large concentration of hightech firms (a pun on Silicon Valley):
- The success of Silicon Alley has had less to do with the traditional technology-oriented policies … and more to do with the strengths of New York’s business sector.
Silicon Valley—the geographical area in northern California, where there is a large concentration of high-tech companies:
- The semiconductor industry in the U.S. did not locate itself close to San Francisco city but miles away in the Silicon Valley.