New York City in the world at 103, including former Mayor Michael Bloomberg. New York also had the highest density of millionaires per capita among major U.S. cities in 2014, at 4.6% of residents. New York City is one of the relatively few American cities levying an income tax (currently about 3%) on its residents. New York is a global hub of business and commerce. The city is a major center for banking and finance, retailing, world trade, transportation, tourism, real estate, new media, traditional media, advertising, legal services, accountancy, insurance, theater, fashion, and the arts in the United States; while Silicon Alley,
Media in the San Francisco Bay Area of Al Jazeera Media Network, is also based in the city. As the home of Silicon Valley, several high technology companies involved with Internet media or social media are either headquartered or have a significant presence in the Bay Area. These include the following: Media in the San Francisco Bay Area The media in the San Francisco Bay Area has historically focused on San Francisco but also includes two other major media centers, Oakland and San Jose. The Federal Communications Commission, Nielsen Media Research, and other similar media organizations treat the San Francisco-Oakland-San Jose Bay Area as one entire media