Silicon Alley Manhattan. Silicon Alley initially also used to extend to Dumbo, a neighborhood in Brooklyn. Columbia University and NYU's leaderships were especially important in the alley's early development. The term Silicon Alley may have originated in 1995 by a New York staffing recruiter, Jason Denmark, who was supporting clients in the newly dubbed technical hub in downtown Manhattan; in an effort to attract candidates who, at that time, were focusing on positions in Silicon Valley, he posted in public usenet postings of Object Technology Developers, job ads with the Silicon Alley label. "Subject: NYC - silicon ALLEY" shows up in an
Silicon Wadi Silicon Wadi Silicon Wadi (, lit: "Silicon Valley") is an area with a high concentration of high-technology companies on the coastal plain of Israel, similar to Silicon Valley in the U.S. state of California, and is the reason Israel is nicknamed the Start-Up Nation. The area covers much of the country, although especially high concentrations of high-tech industry can be found in the area around Tel Aviv, including small clusters around the cities of Ra'anana, Petah Tikva, Herzliya, Netanya, the academic city of Rehovot and its neighbour Rishon Le Zion. In addition, high-tech clusters can be found in Haifa and