Manhattan evolved into a metonym for the sphere encompassing the New York City metropolitan region's high tech industries, including the Internet, new media, telecommunications, digital media, software development, biotechnology, game design, financial technology ("fintech"), and other fields within information technology that are supported by the area's entrepreneurship ecosystem and venture capital investments. , New York City hosted 300,000 employees in the tech sector. In 2015, Silicon Alley generated over US$7.3 billion in venture capital investment, most based in Manhattan, as well as in Brooklyn, Queens, and elsewhere in the region. High technology startup companies and employment are growing in Manhattan and
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,