Amazon reviews are being gamed by shady sellers who swap out listings on popular pages.

This article is from Full Stack Economics, a publication in regards to the economic system, expertise, and public coverage. You can click here to subscribe to the publication

My spouse needs a can opener for Christmas, so I went on Amazon to seek out one. I typed “can opener” within the search field and sorted the record by the typical buyer evaluate. My plan was to get the old style hand-crank sort. But the primary web page of outcomes had a bunch of electrical can openers with glorious reviews and cheap costs. I briefly thought of getting one. Then I began studying the reviews.

“The garlic was all rotten and moldy,” reads the highest evaluate for this can opener. “I threw more out than I used, unfortunately.”

A screenshot of an Amazon comment.



“Whole Foods is the best value for buying organic garlic,” one other evaluate claimed.

I checked that I hadn’t by chance clicked on the incorrect product web page. I actually was on the web page for an electrical can opener. But a lot of the reviews have been for garlic.

The story appeared to be the identical for different extremely rated electrical can openers. Here’s what the primary web page of outcomes regarded like on Wednesday morning:


A screenshot of bait-and-switch Amazon listings.

Timothy B. Lee/Amazon screenshot

When I clicked by way of to particular person product pages, I discovered that the majority of these a whole lot of optimistic reviews have been for merchandise apart from can openers:

• “I’ve been looking for a sturdy measuring cup of this size for a long time.”


• “The basket is great and the chocolates were good quality and plentiful.”

• “The tins arrived on time and in good condition.”

• “I was thrilled with this vase.”

• “For the value, I wasn’t anticipating a lot however they are nice napkins.“

Some pages had just a few current reviews about can openers, alongside many extra about different merchandise. In different circumstances, I didn’t see a single can opener evaluate.

Apparently, shady retailers acquire management of Amazon pages for extremely rated gadgets after which swap out the product descriptions. I assume their purpose is to sport Amazon’s search engine—and to trick clients who rely in a product’s star score with out really studying the reviews.
I can’t say I used to be shocked by this case as a result of I’ve encountered it earlier than.

Last 12 months, I used to be on the lookout for a toy electrical drone for my youngsters. Amazon’s high search consequence was a $23 drone with 6,400 reviews and a powerful five-star common score.

Then I read the reviews. “Absolutely love this honey,” one reviewer wrote. “It’s quite different from any supermarket-purchased honey I’ve tried.”

The story was the identical for different low cost, extremely rated drones. Most of the five-star reviews have been clearly for different merchandise, together with together with a field of Christmas playing cards, a bracelet, and a bottle of vodka.

I wasn’t the primary reporter to note this downside. BuzzFeed’s Nicole Nguyen wrote about the same issue three years in the past.

“This iPhone X battery case listing used to be for a leather wallet phone case,” Nguyen wrote. “This iPhone battery case page was formerly a listing for Lightning charging cablesThis Wi-Fi router was previously listed as nano computers and has been collecting reviews since 2003. This neck brace was formerly a shower caddy listing. What was formerly a listing for a guitar-string action gauge is a now a page for magnetic, glue-free eyelashes.”

A 12 months after I wrote my first piece, and three years after Nguyen wrote hers, Amazon nonetheless doesn’t appear to be taking the issue severely. Amazon didn’t reply to my e-mail looking for remark for this story.

It’s not clear who is doing this. The Amazon pages for these can openers—just like the drones I checked out final 12 months—have throwaway “brands” like Ankuwa, Luckkya, LooQoo, and W-Dragon. They’re offered by third-party retailers that are largely primarily based in China. These retailers have names that are much more inscrutable than the model names, like ZZSENM, BGroams, VVEgjkpps, and Millkkoo.

When I requested Amazon in regards to the bait-and-switch evaluate downside final 12 months, a spokesperson informed me that “we have clear guidelines about when products should be grouped together and we have guardrails in place to prevent products from being incorrectly grouped, either due to human error or abuse.” But the guardrails in opposition to abuse nonetheless don’t appear to be working. Abuse continues to run rampant, a minimum of for can openers.

Internet corporations and their defenders typically insist that this type of downside is unattainable to unravel—that the dimensions of the net makes a specific amount of dangerous conduct unattainable to cease. This argument is considerably believable for a corporation like Google or Facebook that has to sift by way of billions of items of user-created content material.

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  • But Amazon isn’t only a tech platform passively internet hosting and indexing user-created content material. It’s a intermediary that collects charges for all the things clients purchase on Amazon. In many circumstances, Amazon additionally warehouses and ships the merchandise—the screenshot above, for instance, is for Prime-eligible gadgets that largely ship from Amazon warehouses.

    Amazon earns way more income from the sale of a can opener than Twitter earns from internet hosting a tweet—sufficient income that it ought to be capable to simply rent extra individuals to police product pages for apparent fraud.

    Indeed, quite a lot of the fraud right here is blatant sufficient that it must be attainable to detect it robotically. Machine studying algorithms are getting subtle sufficient to determine out whether or not a batch of 100 reviews is generally speaking about can openers or garlic.

    An organization of Amazon’s measurement and class ought to be capable to construct software program to repeatedly scan product listings and flag ones the place the reviews don’t appear to match the product itemizing. The incontrovertible fact that this continues to be a widespread downside suggests Amazon doesn’t think about it a precedence to unravel it.

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