The modern sport arose from illegal venues and outlawed prizefighting and has become a multibillion-dollar commercial enterprise. A majority of young talent still comes from poverty-stricken areas around the world.[37] Places like Mexico, Africa, South America, and Eastern Europe prove to be filled with young aspiring athletes who wish to become the future of boxing. Even in the U.S., places like the inner cities of New York, and Chicago have given rise to promising young talent. According to Rubin, "boxing lost its appeal with the American middle class, and most of who boxes in modern America come from the streets and are street fighters".[38]