Economy of New York City feet (37.2 million m) that same year, is the largest central business district in the world. New York City is distinctive for its high concentrations of advanced service sector firms in the law, accountancy, banking and management consultancy fields. It is the top global center for the advertising industry, which is metonymously called "Madison Avenue". Silicon Alley, metonymous for New York's broad-spectrum high technology sphere, continues to expand. Finance, high technology, real estate, insurance, and health care all form the basis of New York's economy. The city is also the nation's most important center for mass media, journalism, and publishing.
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