Kenny Malone

And those have become cheaper and cheaper.

One McKinsey report says that RFID tags have come down from 20 cents about a decade ago to 4 cents a tag in recent years.

And yeah, I mean, if you sell clothes like Uniqlo, like what's an extra four cents to make your fancy self-checkout work?

Especially if Uniqlo doesn't have to pay a cashier and customers move through it faster.

But if you're a grocery store and you sell, you know, green peppers, an extra four cents on each pepper really cuts into the margin.

So I wouldn't count on seeing this Valentine's worthy technology at the grocery store anytime soon.

Meanwhile, back with my Valentine's Day co-pilot today and Betty Boop's stan, Jennifer Jenkins.

Wait, hold on, let me go back to my list.

All right, this is a tough one.

We are building the official Planet Money Valentine's Day card.

Our task at the moment, find a nerdy twist on Betty Boop's iconic catchphrase.

Something economic that isn't also, how do you say, uh...

Horribly unromantic.

Do you know what a doom loop is?

Doom loop is a self-fulfilling disaster tornado cyclone.

Like how Greece had its credit rating downgraded, which scared investors, which caused all kinds of new problems for Greek finances, which made Greece an even riskier investment, et cetera, et cetera.

Well, yeah.

No.

Okay.

Okay.