Question: The founder of "Complex" magazine also runs an American urban fashion company out of what New Jersey city?

Context paragraphs:
Marc Ecko: Marc Louis "Eckō" Milecofsky (born August 29, 1972) is an American fashion designer, entrepreneur, and artist.  He is the founder and Chief Creative Officer of Ecko Unlimited, a billion-dollar global fashion company.  He also founded "Complex" magazine in 2002.

Jersey City Museum: Jersey City Museum is an art museum located in the Van Vorst Park section of Downtown Jersey City, New Jersey.  Serving a diverse community, the Museum collects, exhibits, preserves, and interprets its collections of 19th- and 20th-century paintings, works on paper, sculpture, and material culture from the region.  The mission of the museum is to serve the community by "maintaining, preserving, and interpreting the region's cultural heritage."  In order to stimulate community participation in the visual arts, and to reflect the cultural diversity of New Jersey, the Jersey City Museum gives special attention to the exhibition of contemporary art, and recognizes the many visual artists who make their home in New Jersey and the neighboring metropolitan area.  The collection includes the large body of work of painter August Will.

List of tallest buildings in Jersey City: This list of tallest buildings in Jersey City ranks skyscrapers and high-rises in the U.S. city of Jersey City, New Jersey by height.  The tallest building in Jersey City is the 42-story 30 Hudson Street, known widely as the "Goldman Sachs Tower", which rises 781 ft and was completed in 2004.  It is currently the 67th-tallest building in the United States, and the tallest building in the state of New Jersey.  The second-tallest skyscraper in Jersey City is the 69-story URBY Harborside Tower I at 713 feet (217 m).  Ten of the twenty tallest buildings in New Jersey are located in Jersey City.  With a population of less than 265,000, Jersey City is the least populous city in the U.S. with a building over 750 ft .

New Jersey City University: New Jersey City University (NJCU) is a public university in Jersey City, New Jersey, United States.  It is a member of the New Jersey Association of State Colleges and Universities.  New Jersey City University is a fully recognized and accredited university.

Jersey City Armory: The Jersey City Armory is located at 678 Montgomery Street near McGinley Square in Jersey City, New Jersey, USA.  In addition to being a military training and mustering facility of the New Jersey National Guard (New Jersey National Guard 2/113 Infantry 250 Jersey City), the WPA era armory has long been used as a sports arena, particularly for boxing, basketball, and track and field events, and more recently mixed martial arts.

Interstate 78 in New Jersey: Interstate 78 (I-78) is an east–west route stretching from Union Township, Lebanon County, Pennsylvania to New York City.  In New Jersey, I-78 is called the Phillipsburg–Newark Expressway and the Newark Bay Extension of the New Jersey Turnpike.  The highway runs for 67.83 mi in the northern part of the state of New Jersey from the Interstate 78 Toll Bridge over the Delaware River at the Pennsylvania state line in Phillipsburg, Warren County east to the Holland Tunnel under the Hudson River at the New York state line in Jersey City, Hudson County.  The Phillipsburg-Newark Expressway portion of I-78, formally called the Lightning Division Memorial Highway, runs from the Phillipsburg area east across rural areas of western New Jersey before entering suburban areas in Somerset County.  The road crosses the Watchung Mountains, widening into a local-express lane configuration at Route 24 as it continues through urban areas to Newark.  Here, I-78 intersects the mainline of the New Jersey Turnpike (I-95) and becomes the Newark Bay Extension, crossing the Newark Bay Bridge and continuing to Jersey City.  The route, along with Route 139, follows a one-way pair of surface streets to the Holland Tunnel.

U.S. Route 1/9: U.S. Route 1/9 (US 1/9) is the 31.01 mi long concurrency of US 1 and US 9 from their junction in Woodbridge Township, Middlesex County, New Jersey north to New York City.  The route is a multilane road, with some freeway portions, that runs through urbanized areas of northern New Jersey adjacent to New York City.  Throughout most of its length in New Jersey, the road runs near the New Jersey Turnpike/Interstate 95 (I-95).  In Fort Lee, US 1/9 merges onto I-95 and crosses the Hudson River on the George Washington Bridge, where the two U.S. routes split a short distance into New York.  US 1/9 intersects several major roads, including I-278 in Linden, Route 81 in Elizabeth, I-78 and US 22 in Newark, Route 139 in Jersey City, Route 3 and Route 495 in North Bergen, and US 46 in Palisades Park.  Between Newark and Jersey City, US 1/9 runs along the Pulaski Skyway.  Trucks are banned from this section of road and must use US 1/9 Truck.  The concurrency between US 1 and US 9 is commonly referred to as "1 and 9".  Some signage for the concurrency, as well as the truck route, combines the two roads into one shield, separated by a hyphen (1-9) or an ampersand (1&9).

Ecko Unlimited: Yakira, L.L.C., doing business as Ecko Unlimited (stylized as Eckō Unltd.) , is an American urban fashion company founded by Marc Ecko in 1993.  The company makes apparel and accessories under brands including the men's Ecko Unltd.  line and the Ecko Red line for girls and women.  It is headquartered in South River, New Jersey.  The company's products have been popular since the late 1990s; they were originally associated with hip-hop and skating culture, and moved into the mainstream urban culture in the early 2000s.  It is most often associated with hip hop.  The style is based on graffiti art.  Its brand features a rhino as its logo.

Clare Potter: Clare Potter was a fashion designer who was born in Jersey City, New Jersey in 1903.  In the 1930s she was one of the first American fashion designers to be promoted as an individual design talent.  Working under her elided name Clarepotter, she has been credited as one of the inventors of American sportswear.  Based in Manhattan, she continued designing through the 1940s and 1950s.  Her clothes were renowned for being elegant, but easy-to-wear and relaxed, and for their distinctive use of colour.  She founded a ready-to-wear fashion company in Manhattan named "Timbertop" in 1948, and in the 1960s she also established a wholesale company to manufacture fashions.  Potter was one of the 17 women gathered together by Edna Woolman Chase, editor-in-chief of "Vogue" to form the "Fashion Group International, Inc.", in 1928.

Long Branch Cubans: The Long Branch Cubans (also known as the Newark Cubans and the Jersey City Cubans) were a professional baseball team that played from 1913 to 1916.  It was the first U.S. minor league baseball team composed almost entirely of Cubans.  Several players, including Dolf Luque and Mike González, went on to play in the major leagues.  The Cubans played in Long Branch, New Jersey from 1913 to 1915, except for the first half of the 1914 season, when they played in Newark, New Jersey.  In 1916, they started the season playing in Jersey City, New Jersey as the "Jersey City Cubans."  Later that summer, they moved their home games to Poughkeepsie, New York, where they were usually referred to as the "Long Branch Cubans."  In late July 1916 they briefly moved to Harlem and finally to Madison, New Jersey in August.

Supporting paragraphs: Ecko Unlimited Marc Ecko
Answer: South River