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 Investor mail menu provides user access to messaging from other members. SubjectMarks helps users keep track of their favorite subjects and save favorite posts. PeopleMarks allows users to follow the postings of other Silicon Investor members. The Global Tools menu gives users access to basic and advanced search features, profile maintenance, user settings and custom stock portfolios, a new feature. Silicon Investor Silicon Investor is an Internet forum and social networking service that focuses on the stock market, particularly high tech stocks, and politics. It is currently owned and operated by Nevada-based Knight Sac Media Holdings. The website bills itself as