Shipped • Chrome Extension

Spent

What if Amazon showed prices in time instead of dollars? Spent is a Chrome extension that converts prices into hours of work at the federal minimum wage, taking “time is money” a little more literally.

Timeline
2023
Scope
Chrome MV3, JavaScript
Mfacoy 2 PACK Glass Coffee Mugs, 12 OZ Ribbed Cups
★★★★ 829
$12.99 1hr 48min
Customers usually keep this item.
01

I made this while taking a class called Useless Machines.

One of the machines we looked at was Claude Shannon's Ultimate Machine: a wooden box with a switch on top. You flip it on, a little hand comes out, flips the switch back off, and disappears.

That's the whole thing.

I liked how something so simple could make an everyday interaction feel a little strange. It wasn't trying to be useful or solve a problem. It was more of an experiment with an idea.

That became my starting point for this project.

02

I kept thinking about the phrase "time is money."

We say it all the time, but prices rarely feel like time. When I'm looking at something that costs $20, I see $20. I don't naturally think about how much of someone's time that amount represents.

So I wondered what would happen if I made the phrase a little more literal.

I needed a consistent way to convert dollars into time, so I used the US federal minimum wage: $7.25 an hour. It's not representative of what everyone earns, and certainly not a living wage, but that's also what made it an interesting reference point. It's a federally defined dollar value for an hour of work.

What would Amazon look like if every price were measured against that hour?

03

I built Spent, a Chrome extension that converts Amazon prices into the amount of time it would take to earn them at the federal minimum wage.

$12.99 becomes 1 hr 48 min.
$239.99 becomes 33 hr 6 min.

The extension doesn't change anything else about the shopping experience. You can turn it off at any time and the original prices return.

I wasn't trying to tell people what they should or shouldn't buy. I was mostly curious about whether changing the unit would change how a price felt.

The amount is exactly the same. It's just expressed in something a little easier to picture.

"Time is money" is such a familiar phrase that I wanted to see what it would look like if an interface took it literally.

How it works
It scans the page for Amazon price elements and rewrites them in hours and minutes. Works on deal pages, swatch prices, and superscript formats too.
Baseline
I used the US federal minimum wage of $7.25 an hour. It gave me a fixed point to play with: if an hour is worth $7.25, what does everything else cost in time?
Toggle
You can turn it off anytime and the original prices come right back. It's not trying to talk you out of anything.
Discount prices
Strikethrough prices get the same treatment, so a discount still shows up in hours instead of dollars.