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.
Concentration of media ownership in Turkey providers in which a real person or a legal entity is a direct or indirect shareholder cannot exceed thirty per cent of the total commercial communication income of the media sector. The horizontal concentration of audience and readership across media platforms as to July 2016 has been measured by the Media Ownership Monitor Turkey project. Concentration was measured by using the Top 4 largest audience share for each media type. As to audience concentration in television, the survey found a medium level of concentration (44%). Out of the four top media owners in the market, three are considered generally to