Attention at all passengers. You can now book your train tickets on Uber and get 10% back in Uber credits to spend on your next train journey.

So no excuses not to visit your in-laws this Christmas.

Trains now on Uber. T's and sees apply check the Uber app. Hello I'm Simon Long the finance editor and this is Money Talks. Coming up this week, is there a devil in the detail of Elon Musk's

financial dealings? Descriptions like jaw-dropping, inventive, highly combustible come to

mind just as they do when you look at the space rockets.

How can the shadow market be brought back into the light?

Talking hundreds of billions of dollars a year and given that we're talking about very poor countries,

you know, this is really quite

significant and why should we be worried about the global dominance of private

equity? I hesitate to use the word but it is this weird form of socialism that is a

product of private equity and that will come with

consequences. Now in a world where growth tends to be low and risk-taking a little

out of fashion there's one entrepreneur who in a more public way than most

has taken it upon himself to inject a little ambition.

Full access to the entire greater solar system.

Obviously the test the mission is to accelerate the transition to sustainable energy.

If you never want to pay a penny again for electricity of fuel,

to make hundreds of thousands, ultimately millions of electric cars.

So how do we figure out how to take you to Mars?

Thus we could become a truly multi- planet species.

That was the voice of Silicon Valley Ticoon Elon Musk.

As the founder of Tesla and SpaceX,

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