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Hello, everyone has been talking about the plunging value

of the pound versus the US dollar.

And I know sometimes that seems like the sort of thing

you would only care about if you were a currency trader

with five screens in your bedroom,

staying up late to see what the Asian markets are doing.

But once you dig into it, you realize it does have

quite a widespread effect.

So for example, oil prices are in dollars.

So that means petrol and diesel providers in the UK

are buying something that is instantly more expensive

on the world market if they're having to convert their pounds

into dollars to buy their oil.

Beer, the chief exec of Karlsburg-Marston's brewing company,

Paul Davies, told the today program this morning

that they import lots of their hops from the US,

which of course means they have to pay for their hops in dollars.

And he says if you're drinking a double IPA,

that needs a lot of hops, which means inevitably

the price of that will go up.

And then there's the totally, totally obvious thing

...