Understanding media stuff

What is a media conglomerate?
A media conglomerate is a big company that owns a load of business like Disney own Lucas film studios. Which Lucas film studios own the Indianan jones and star wars films. This is why we find the Disney logo on the front of their DVD cases.
What is a subsidiary?
A subsidiary is a business that is owned by another big business.

Understanding media:

Media ownership:
Private ownership:
These are companies that don't traded publicly. It is many larger companies that trade privately. Example of these are MTV and coke. An advantage is that it doesn't cost as much as public services so this is good for little businesses starting out. But an disadvantage to this is that it is harder for people to find out who you are. That means people wont be buying your product or film as much as a company who does it privately.   
Public services:
Public ownership is different to private ownership. This is where everyone can see who owns who. This many applies to television programs, radio and lots more. Examples of these are Sky, virgin media, give feedback and the BBC. The advantage of having a public service is that its easier to get people to know who you are and to get the word about your company and what it does. The disadvantage is that is cost a lot to get the advisements out and also there is a lot of competition to get your product out there and in the public eye.
Cross Media:
Cross media is where a film has a DVD. So that means it crosses between different parts of media. So fast and furious 7 has their own CD with the sound track to the films. Other examples of this is Shaun of the dead, Harry potter and lord of the rings. An advantage of this is if people like the movie they will buy the CD, poster and more. A disadvantage is that there will be more people to be paid so they will have to get a higher profit to be able to pay for the people to do the jobs that need to be done.  
Independents:
This means any television, radio, newspaper or the internet that is influenced by the government or corporate interests.
Conglomerates:
Media conglomerates are companies that control there own marketing and stuff. They are an independent company.
Verticatical and Horizontal Integration:
Verticatical:
This is where several companies come together to make a film. Each company owns a different stage of the production. An example of this is Harry Potter and the deathly hollows part 2. It was distributed by Warner Bros but other complains that are owned by Warner Bros like HBO ran be hide the scene of the film, CNN, they promoted the film world wide. An advantage of this is that a company is given 100% control of the movie that is being made, reduction in transport. A disadvantage of this is you cant be as flexible as you would if your were the only business producing the film and it a lot more harder to come up with what you are going to do for the film.
Horizontal:
This is where they buy out another film. An example of this is Disney buying out Lucas films. An advantage of this is you can sell you product is different parts of the world and it increases market power. A disadvantage to this is that is costs more, there is a lot more work to be done and that makes a lot more responsibilities.
British Film company:
BBC films:

BBC films have made films like The boy in the striped pyjamas, Billy Elliot and Women in gold. They many do proper films with people acting in them and not being animated. They employ around 100 people. They were founded in 1990 by David M Thompson since then they have been making films. Its organisation is the BBC. There first film was Truly, Madly, Deeply.

Rupert Murdoch:

Rupert Murdoch was born on the 11th of March 1931, he has had 3 wives and has 6 children. He was born in Australia although he is a American citizen since 1985. He is facing police inquiroments as he has ledged to have hacked into celebrity's, royals and public citizens phones. He is worth 12.7 billion dollars. He is the 91st richest person in the world.

World map where Rupert Murdoch owns companies: