The Economist.

Hello and welcome to the intelligence from The Economist.

I'm your host, Rosie Bloor.

Every weekday, we provide a fresh perspective on the events shaping your world.

Thank you. we provide a fresh perspective on the events shaping your world. For decades, China's economy has been powered by millions of migrant labourers,

many of whom also lived in the place they worked.

Now China has a vast and growing body of nomadic freelancers engaged in gig work.

Our correspondent explains the consequences.

And what do people mean when they talk about anti-Semitism?

You might think the definition is pretty straightforward, but a new book suggests

otherwise.

Thank you. book suggests otherwise. But first... A few weeks ago, I took a trip into the Oresund Strait between Denmark and Sweden. Alice Sue is our senior international correspondent.

I was aboard the Versaides, a Latvia naval ship that's part of a NATO mission called Baltic Sentry.

And we were called to check on a suspicious

Russian fishing boat that had stopped in a busy shipping lane near an undersea gas pipeline.

It claimed to have suffered a power failure.

Attention on board until further notice is prohibited to use private mobile phones. They should be either

switched off. As we approached, officers asked everyone on board to turn off their mobile phones for protection from possible hacking.

Commander Janice Oce explained exactly why NATO forces are interested in vessels like these.

We observe everything.

We are trying to create a pattern of life to get what is unusual,

what is abnormal with their reaction. Usually it's not happening very often when a ship is reporting

...