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POLITICS
Rupert Murdoch famously invited Tony Blair to visit him while Mr Blair was the leader of the opposition. Shortly after the soon-to-be leader jumped on a plane to Australia for a meeting. It was a measure of Mr Murdoch's importance - and you could argue that Tony Blair had a point as un, , and the are all in his stable.

And it's not just in the UK where Rupert Murdoch has serious political influence. No US politician could afford to not speak to Fox, and in Australia, politicians are as keen to keep the Murdoch press sweet as their British counterparts. How politicians should approach the man is addressed in .

Another important question here is whether that's any different to any number of other businesspeople and media owners trying to have their say.

JOURNALISM
may not to be everyone's taste, but it's handed out some lessons on how to get people watching news in decent numbers, and how to up the ante on the style of TV news. Those of us who work for watch closely, not just because it's a rival but because it has an appetite for innovation that makes you think about what you do. I'm not saying I like everything Fox and Sky go for, but they're pushing things all the time and that, you could argue, has forced TV news to evolve.

In a completely different arena, let's remember that it was Rupert Murdoch more than anyone else who has bucked the trend of free content online, and said to us all pay or you won't see it. We won't be left wondering if paywalls work, because News International is happy to find out for us, putting up restrictions on for instance.

TELEVISION
There's huge investment taking place in India and China to add to vast cash injections into US national and regional stations. Again, the presence of Murdoch stations not only gives you more to watch but arguably gives you something distinct to watch too (though some of you may not like it). It's worth adding that it's Mr Murdoch who pays for the Simpsons.

FILM
Rupert Murdoch owns 20th Century Fox and as such is a huge player in the film industry. Did you see Avatar? The hundreds of millions that that ground-breaking film cost were put up by 20th Century Fox. I'm not saying if the film was good or not, but James Cameron was given the means to do some things which hadn't been done before. Should we applaud the investment? of other big 20th Century Fox films.

SPORT
The has been built on Rupert Murdoch's money. If you like seeing Drogba, Tevez, Fabregas, Nani and co ply their trade for the big English clubs, that is in no small part to the huge lift in incomes which came with Sky's investment in the game. That's not to mention the revolution in the way that it was filmed.

Australian and American sport too have seen major investments from News Corp owned companies.

And on I could go.

There are clearly criticisms of News of the World practice that everyone is agreed are warranted. There's also long-standing hostility to Rupert Murdoch in many different quarters. But does the scale of his vast media empire necessarily mean that it's to be seen as a threat rather than a valid contributor to the media we all consume.

Over to you...