<Tr> <Th> Music industry </Th> <Td> Back Lot Music </Td> <Td> Fox Music </Td> <Td> Disney Music Group </Td> <Td> Comedy Central Records, Nick Records, CBS Records </Td> <Td> WaterTower Music </Td> <Td> Sony Music Entertainment (US), Sony / ATV Music Publishing (US), EMI Music Publishing (UK, 38%) </Td> <Td> BMG </Td> <Td> Universal Music Group </Td> <Td> </Td> <Td> Som Livre </Td> <Td> Star Music </Td> </Tr> <Tr> <Th> Publishing </Th> <Td> </Td> <Td> </Td> <Td> Marvel Comics, Disney Publishing Worldwide </Td> <Td> Simon & Schuster </Td> <Td> DC Comics </Td> <Td> </Td> <Td> Gruner + Jahr, Penguin Random House (US, UK 53%), Bertelsmann Printing Group </Td> <Td> </Td> <Td> Editorial Televisa, Intermex </Td> <Td> Editora Globo </Td> <Td> ABS - CBN Publishing </Td> </Tr> <Tr> <Th> Internet </Th> <Td_colspan="3"> Hulu (30%) </Td> <Td> MTV New Media, CBS Interactive, CNET </Td> <Td> Hulu (10%) </Td> <Td> Crackle, PlayStation Network, Sony Interactive Entertainment </Td> <Td> </Td> <Td> Dailymotion, Gameloft </Td> <Td> Comercio Más, Televisa Digital </Td> <Td> Globo.com </Td> <Td> ABS - CBN Digital Media </Td> </Tr> <Tr> <Td> iVillage, Fandango (70%) </Td> <Td> Fox Sports Digital Media </Td> <Td> Disney Interactive </Td> <Td> Fandango (30%), Warner Bros. Interactive Entertainment </Td> </Tr>

What are problems inherent in conglomerate ownership of mass communication