Toblerone:

There is a person right now, at Heathrow, paying £10 for a bar of chocolate worth £5.

They know this. They buy it anyway.

Mondelez saw that person and built an entire division around them.

Not a team. A division. The whole job of that unit is to sell chocolate to people who have already walked through security and have nowhere left to go.

Toblerone has been around since 1908.

It ended up in airports in the 1970s more by accident than plan. The triangular shape survived hand luggage. The Swiss box looked expensive and understated. At some point a Mondelez exec sized the opportunity.

The maths is ugly for the buyer.

A 360g bar in Tesco: around £5. The same bar at Heathrow: £8 to £11. The duty-free discount does not close that gap. It never does.

Mondelez is not the one getting rich from this.

The airport shop is. WHSmith. Lagardere.

The retailer buys at around £3 to £5. It sells for £10. Most of that spread stays behind the till.

The airport is not selling convenience. It is monetising deadline pressure.

Mondelez gets a clean wholesale price across millions of flights and a brand in every airport on earth.

Airports earn about 40% of total income from retail. Not landing fees. Retail. Heathrow needs that bar in a way that is not entirely different from how it needs a runway.

In 2016, Mondelez cut the bar from 170g to 150g and held the price. The British press declared a national emergency. BBC. Sky News. CNN. Sales went up.

They put the old shape back in 2018. Sales had not fallen. But being a national joke on the BBC is not a free marketing channel.

The buyer has 35 minutes, a carry-on bag and a promise to bring something back for the mother-in-law.

They pick up the bar with a mild sense of finding a deal.

They have not found a deal.

This is not an airport story. It is a captive-demand story.

Airports. Cinemas. Stadiums. Hotel minibars. App stores. Ticketing platforms. Every one of them sells to customers after choice has already disappeared.

The product barely matters. The position does.

Toblerone is not competing with Cadbury.

It is competing with the cost of forgetting to buy a gift earlier.

Mondelez owns the brand. The retailer owns the margin.

Mondelez wholesales into airports in 92 countries and carries almost none of the retail risk.

The retailer sets the price, takes the loss when it doesn’t sell and handles the complaints.

Mondelez just cashes the invoice. The highest-margin businesses often do.