Silicon Alley across the metropolitan region, bolstered by the city's emergence as a global node of creativity and entrepreneurship, social tolerance, and environmental sustainability, as well as New York's position as the leading Internet hub and telecommunications center in North America, including its vicinity to several transatlantic fiber optic trunk lines, the city's intellectual capital, and its extensive outdoor wireless connectivity. The term "Silicon Alley" was derived from the long established Silicon Valley in California. It was originally centered in the Flatiron District, in the vicinity of the Flatiron Building at Fifth Avenue near Broadway and 23rd Street, straddling Midtown and Lower
Silicon Valley supports innovation and entrepreneurship. Attempts to create "Silicon Valleys" in environments where disruptive innovation does not go over well have a poor track record. The San Francisco Bay Area has the largest concentration of high-tech companies in the United States, at 387,000 high-tech jobs, of which Silicon Valley accounts for 225,300 high-tech jobs. Silicon Valley has the highest concentration of high-tech workers of any metropolitan area, with 285.9 out of every 1,000 private-sector workers. Silicon Valley has the highest average high-tech salary in the United States at $144,800. Largely a result of the high technology sector, the San Jose-Sunnyvale-Santa Clara,