Escaping the Diderot effect: How to avoid tech-driven spending

Top Tips is a weekly column where we explore emerging trends in technology and share practical ways to stay ahead. This week, we're looking at how technology can nudge us into unnecessary spending—and how to avoid it.

Have you ever bought one thing and then felt the need to buy several more to match it? If so, you've experienced what is known as the Diderot Effect.

The term comes from the life of Denis Diderot, a famous French philosopher who spent much of his wealth in a matter of months.

It all started when he bought a scarlet-colored robe. He fell in love with its beauty and gradually became dissatisfied with the things around him. He started buying expensive furniture, utensils, paintings, and other items to match the elegance of the robe. This habit led to impulsive shopping and eventually drained his wealth.

This phenomenon later became known as the Diderot Effect.

Today, technology companies have mastered this phenomenon. Through subscriptions, personalized advertising, interconnected ecosystems, and frictionless payments, a single purchase can quietly lead to many more expenses.

In this article, we'll address a few of these strategies and learn how to tackle them effectively.

1.  Escape the subscription trap

Nowadays, almost everything is moving towards a subscription model. In some markets, even features such as heated car seats are offered through subscriptions rather than with one-time purchases. Sometimes, even trial plans automatically enroll us in paid subscriptions if we forget to cancel them.

What was once bought outright is now often resold to us every month. A classic example is Amazon Prime. While Prime Video includes a large content library, certain premium movies and series still require an additional rental or purchase fee.

Tip: Before signing up for a subscription, ask yourself, "Do I really need this in the long term?" Once you subscribe, evaluate your usage every month and consciously decide which subscriptions are worth continuing.

Make sure to delete accounts from free trial services that you're no longer interested in. Check your credit card statements regularly to keep an eye on recurring payments and terminate services that you no longer need.

2.  Outsmart the algorithm

Your preferences are constantly being monitored. You search for a watch, and it's noted. When you visit a beauty product page, it's recorded. You click on an advertisement, guess what? It's detected.

This information doesn't just stop at understanding your preferences. It's also used to show personalized advertisements that are more likely to catch your attention. Over time, these ads act like a digital nag, repeatedly encouraging purchases that may not be necessary.

Tip: Take control of the algorithm. Clear your browsing history occasionally or use an incognito tab when searching for products. While this won't completely stop personalized ads, it can reduce some of the signals being collected.

Additionally, use a separate account for shopping and product browsing. This way, your personal account is less likely to be filled with product recommendations.

If your feeds are already crowded with advertisements and shopping suggestions, avoid engaging with them. Mark advertisements as irrelevant where possible and intentionally interact with products you don't prefer. Over time, this can help change what the algorithm shows you.

Finally, block third-party cookies whenever possible, as they're one of the main ways advertisers track activity across different websites.

3. Resist the ecosystem pull

Companies often produce products that work best with their own ecosystem. This is often marketed as a seamless experience and encourages customers to stay loyal to a single brand.

A common example is Apple's ecosystem, where products such as the iPhone, Apple Watch, AirPods, MacBook, and iCloud work seamlessly together. While convenient, this integration can make users more likely to purchase additional products from the same brand.

The same thing happens on e-commerce platforms. Buy a smartphone online and you are immediately shown screen protectors, cases, earbuds, chargers, insurance plans, and other accessories. One purchase quietly turns into five.

Tip: Choose products that work well with a wide range of devices rather than products that depend heavily on a specific ecosystem. Look for products that are self-reliant and compatible with multiple brands.

For example, when upgrading electronics, choose devices that work with your existing chargers, adapters, and accessories whenever possible.

Also, consciously avoid spending time looking through product suggestions on e-commerce websites. These recommendations are designed to increase the chances of additional purchases.

Take it a step further by unsubscribing from promotional emails, opting out of catalogs, and blocking notifications from shopping websites that tempt you into unnecessary spending.

4. Slow down digital spending

Online payments have made spending incredibly easy. Because we no longer physically hand over cash, money often feels less like a valuable resource and more like a number on a screen.

The Unified Payments Interface, or UPI, and other instant payment methods have made transactions even faster by reducing the effort required to complete a purchase. While this convenience is beneficial, it can also make impulsive spending easier.

Tip: Set daily spending limits on your payment apps. Track your spending by category and regularly review where your money is going.

Look for patterns in purchases that weren't necessary and consciously avoid repeating them.

Avoid enabling auto-pay features unless they are truly required. If you do use them, review them every month to ensure you're still using the service.

Conclusion

Today, technology has turned the Diderot Effect into a billion-dollar business model.

As our lifestyle improves, our tendency to make impulsive purchases often grows along with it. What once felt luxurious quickly becomes normal, and we start looking for the next upgrade.

Technology itself isn't the problem. However, many digital products and services are designed to encourage continued spending.

It's ultimately in our hands to make conscious choices, build intentional habits, and distinguish between what we truly need and what we've been influenced to buy.