Big Apple
"The Big Apple" was popularized as a name for New York City by John J. Fitz Gerald in a number of horse-racing articles for the "New York Morning Telegraph" in the 1920s. The earliest of these was a casual reference on 3rd May, 1921:
Megaregions of the United States
A megaregion may also be known as a megalopolis or megapolitan area. More than 70 percent of the nation's population and jobs are located in 11 megaregions identified by the Regional Plan Association (RPA), which is an independent, non-profit New York-based planning organization. Megaregions are becoming the new competitive units in the global economy, characterized by the increasing movement of goods, people and capital among their metropolitan regions. "The New Megas," asserted Richard Florida (2006), "are the real economic organizing units of the world, producing the bulk of its wealth, attracting a large share of its talent and generating the lion's share of innovation."