Triple helix model of innovation strong ties with industry and governments, a high degree of independence, and permanent evolution of the relationships between universities, industry and government. Etzkowitz recognizes MIT as a great example of an 'entrepreneurial university’. Building on the triple helix model, the quadruple helix model adds a fourth component to the framework of interactions between university, industry and government: civil society and the media. It was first suggested by Elias G. Carayannis and David F.J. Campbell in "‘Mode 3’ and ‘Quadruple Helix’: toward a 21st century fractal innovation ecosystem". The aim is to bridge the gaps between innovation and civil society. Indeed,
Owned-and-operated television stations in the United States and CBS' KMOX-TV (channel 4, now KMOV) in St. Louis. As a result of a revision to the FCC's media ownership rules in 1999, a company can now own any number of television stations with a combined market reach of less than 39% of the country, but cannot own two of the four highest-rated stations in any market. Still, O&Os in the United States are primarily found in large markets such as New York City, Los Angeles and Chicago, among others. Despite that, network-owned stations can still be found in smaller markets (for example, KFSN-TV (channel 30) in Fresno, California