The way we watch TV, listen to music, order groceries and take photos has changed in the past decade or so. For many of us, all of these activities involve a monthly payment.

Subscriptions have quietly become a major part of household spending across the world. But many people underestimate how much they actually pay. And there is evidence which suggests that the design of subscription services – combined with common human traits – can make these payments easy to overlook.

In the UK, consumers spend around £26 billion a year subscribing to everything from digital media to cosmetics and coffee. (Around 69% of UK households subscribe to at least one video streaming service such as Netflix or Amazon Prime Video.)

And a few small monthly payments can quickly add up. Data from Barclays bank suggests that individual consumers spend £50.60 on – so more than £600 a year. It also shows that spending on digital content and subscription services has increased by nearly 50% since 2020. In households where several people hold subscriptions, the combined spending can be considerably higher.

The result is a subscription economy that is growing faster than many consumers realise. And one reason households underestimate their spending is that some........

© The Conversation