TIL you can get much better online prices using a public library computer

21 days ago by Jerry on PieFed to c/til

TIL that you can get much lower online prices if you use a local library computer. Another reason to hate retailers.

Lora Kelley took a trip to the New York Public Library for us and compared prices against a personal iPhone. The results? A box of Apple Cinnamon Cheerios and a pack of toilet paper were nearly 20% cheaper on the library desktop.

https://www.mozillafoundation.org/...

0ndead 131 points 21 days ago

Clear your cookies people

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atomicbocks 98 points 21 days ago

That doesn’t help anymore. These days they use device identifiers and IP addresses and all kinds of stuff like that to see if you’re the same person or not. I would imagine that in this case going to your own laptop or desktop would result in the same prices.

If you really want to hide try a browser like the Mullvad browser that specifically resizes and changes things used for fingerprinting.

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jtrek 61 points 20 days ago

Device finger printing should be illegal.

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a_non_monotonic_function 30 points 20 days ago

Our government is run by sleeping 90 year olds. We should have a lot of laws right now that aren't on the books.

Musk is suing right now to make sure they don't make his illegal porn program illegal.

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FG_3479 2 points 19 days ago

It's useful to stop ban evasion, but using it for personalised ads or prices should definitely be illegal.

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0ndead 6 points 21 days ago path: 0 25038022 25039361 25039689, hotness: undefined, score: 6, children: 10
atomicbocks 39 points 21 days ago

Then choose a different one that does the same kind of fingerprinting protection, that’s why I said like Mullvad.

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Whirling_Ashandarei 7 points 21 days ago

Heard good things about ivpn and am looking at them for my new one as my sub is running out shortly.

Funny that vpns are banned here.

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axx 21 points 20 days ago

That's simplifying things to the point of being useless. Seriously, can't we have just a bit of nuance?

There are legit, actual neo-nazis out there. I don't have much sympathy for Daniel Berntsson, and he clearly has some shitty ideas and positions, but calling Mullvad browser a "Nazi supporting browser" because Mullvad's rich co-founder made a donation without telling the company is just conflating everything into a big muddy thought soup.

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01189998819991197253 1 point 19 days ago

Linux's inventor said that AI coding tools are fine and helpful. Those tools are made by openai and the likes, which are run by some of the worst people in history, many of which are fascist supporters. Therefore, using that same logic, Linux is a fascist os that should be abolished.

-_- Seriously. I wish people would use their own brains to think critically and logically through these paths, and stop echoing into the chamber.

Edit.
Mulvad is not a fascist company or product just because a co-founder used his own money for fascist things.

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AlteredEgo 1 point 20 days ago

It's hard to say, but they do call for ethnic cleansing or "remigration" of citizens. That means concentration camps. What the US is doing now but worse. They also have socialist policies. So by combining nationalist and socialist (populist) policies, they are kinda reinventing Nazism. They are a serious threat.

It really is fucking sad because they were allies in the war against privacy, but you have to draw the line at ethnic cleansing.

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WoodYouLookAtThat 2 points 20 days ago
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dreamy 0 points 18 days ago

Mullvad Browser is free. It's just Tor Browser without Tor.

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ripcord 5 points 20 days ago

Well, also use privacy badger

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Bluescluestoothpaste 4 points 19 days ago

You're missing the point, library computers are used by a lot of poor people so those computers have cookies and other fingerprinting that makes companies think the users of those machines can't afford normal prices so they get even lower prices than if you had completely cleared your chace cookies fresh device and all that.

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jaybone 1 point 8 days ago

Aren’t you usually signed in to an account on a service where you order things? Like Amazon or instacart? I assume they don’t care if I’m at home or at the library? I’m still the same person.

Or are these people ordering their cinnamon apple Cheerios from random online retailers where they don’t maintain an account and have to put in all of their card and address details every time? And even then I assume they track you by your card and delivery address, which I assume is not the library address.

Maybe you could get a separate credit card, bill it to a PO Box, clear your cookies, go to the library to do your shopping, ship the cereal to an abandoned house or vacant lot in a bad neighborhood, and save 20% on your apple cinnamon Cheerios.

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the_riviera_kid 40 points 21 days ago

It's not the library, it's the cache you never clear. She could have done this just as easily at home on a browser with a private window she hadn't signed into.

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klankin 39 points 21 days ago

With the same IP, CPU, GPU, and networkcard??

Easily fingerprintable

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_haha_oh_wow_ 15 points 21 days ago

Easily obfuscated, but also just clearing cache or using private browsing will more likely than not work.

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mpdarkguy 19 points 21 days ago

I tried using waterfox and librewolf i think.

Every click on a new site was 5 capchas, its horrendously unusable, since probably they assume that all obfuscated user agent and other data are bots

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chunkystyles 8 points 20 days ago

I tried LibreWolf. It was such a bad experience.

It's a shame that the Internet is so bad that the browser has to go to such extreme lengths to give you any privacy that it makes the experience awful.

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klankin 9 points 21 days ago

Unless you're running a virtual GPU (and changing it often enough to remain anonymous), tracking pixels are pretty difficult to obfuscate (the exact thermal environment your PC is in will even effect timing).

And thanks to big tech this state of the art tracking is on essentially every website.

Clearing site data/private mode is a way to ask nicely that websites don't track you, but user intention hasn't been respected for around 3 decades by now.

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the_riviera_kid 1 point 20 days ago

I would like to know how you plan to get the same ip, cpu, gpu and network card into her iphone.

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grue 21 points 21 days ago

It's also using an iPhone instead of a desktop PC. Retailers think all iPhone users are rich (or at least less price-sensitive).

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TrickDacy 9 points 21 days ago

Cache != Cookies

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Seimhe 19 points 21 days ago

Is it possible to instruct the browser, via extensions or something, to simply withhold that kind of information? I know websites need to render the page differently for different browsers and OS, but when it comes to things involving payment I'd rather deal with the browser quirks than get ripped off.

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Beacon 23 points 21 days ago path: 0 25038173 25038349, hotness: undefined, score: 23, children: 0
grue 20 points 21 days ago

Yes, but then that itself becomes a signal.

You have to not only resist fingerprinting, but do it in the same way as other people who resist fingerprinting.

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AlteredEgo 7 points 20 days ago

It also marks you as extremely tech savvy, meaning you likely have large disposable incoming.

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01189998819991197253 2 points 19 days ago

Or not resist at all, but provide fake, but realistic data with each request

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BottleBoardBakon 11 points 21 days ago

Use tor browser or librewolf with a vpn that isnt owned by Kape. Check to make sure all cookies are deleted each session. Make each purchase with a new account. Ideally using an email alias otherwise it gets cumbersome fast. Personally I also use a one time virtual debit card.

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I_Has_A_Hat -2 points 21 days ago

Oh yea! I'll just use tor! I fucking love only getting 10% of my network speed and having 70% of websites be an unfunctionable mess! Totally a valid and reasonable workaround!

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BottleBoardBakon 7 points 21 days ago

... then enable JavaScript? And this was to avoid price manipulation, not day to day use?

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Krusty -4 points 20 days ago

Dumbass comment. JS can easily reveal your IP and identity.

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quick_snail 19 points 20 days ago

This is why I have a botnet of poor people's computers

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FlashMobOfOne 17 points 20 days ago

Clear your cookies and use a VPN. (And your browser probably has a setting you can enable to clear your cookies automatically every time you close out.)

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Krusty 1 point 20 days ago

Rtfa

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finallymadeanaccount 16 points 20 days ago

Read the Flatulent Anus? Wow. I mean, I've heard of reading tea leaves, but ...

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Alexstarfire 6 points 20 days ago

Both methods are equally accurate.

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Krusty 1 point 19 days ago

It's read the fucking article.

Toss that salad though, my baby.

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mvilain 17 points 21 days ago

All the more reason to use a VPN.

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pivot_root 8 points 20 days ago

If I were a company looking to optimize profit by pricing goods at whatever limit the targeted consumer demographic would be willing to pay for, I would use a VPN as a signal to raise the price.

It doesn't matter who that consumer is behind the VPN. The VPN itself is a monthly subscription, and that indicates he/she has at enough disposable income to afford non-essential services.

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CultLeader4Hire 3 points 20 days ago

To that point the library computer is free. I don’t know anything about VPNs or how to use them and I definitely shouldn’t have to pay for something for basic privacy. Library users improve the demand for libraries. Using a library computer is a win in basically all ways that really matter.

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Krusty -3 points 20 days ago

Rtfa

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Bluescluestoothpaste 11 points 19 days ago

You guys are mostly missing the point, the library computers get cheaper prices than even a freshly installed no fingerprint computer because lots of poor people use them.

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GoatSynagogue 9 points 20 days ago

This is not true in general. Some sites could charge you more based on your fingerprinting, but very few do as it’s easily proven and would cause massive backlash.

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Zamboni_Driver 7 points 20 days ago

Amazon does for sure.

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GoatSynagogue 1 point 20 days ago

Definitely doesn’t. Easily testable and provable.

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01189998819991197253 3 points 19 days ago

You're right. It is testable and provable, which is how I know they do lol

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GoatSynagogue 3 points 19 days ago

Proof please :)

Strange when there are entire sites set up for people to post Amazon deals, and not once in the 10+ years they’ve all been going has this ever happened when people followed the deal through.

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creamfresh 9 points 20 days ago

Pretty sure that’s illegal where I live.

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01189998819991197253 10 points 19 days ago

Only if those wankers get caught and convicted. Until then, it's just hearsay.

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cosmos8188 2 points 18 days ago

Bunch of manipulating mfs..

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leanleft 1 point 18 days ago

go to https://www.bonappetit.com/ and watch the price suddenly jump!

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bonappetit.com www.wired.com *  block           

goddamnit. all i wanted was a muffin !
why are you counting my pockets so aggressively ?

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DarrinBrunner -18 points 21 days ago

Hmm. I've never seen a difference between online prices and the price on the shelf at the store.

Are the prices lower than what is on the shelf?

Maybe this is something to do with New York. I doubt it's true anywhere else. Maybe other big cities.

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zikzak025 1 point 20 days ago

Online is usually cheaper for a lot of goods. Two days ago, I wanted to get a physical copy of an older game that is getting harder to find. It was way more expensive buying from a physical store, so I searched for it online. The price difference for the exact same product between searching in my PC's browser and through my phone was about $8.

My phone tracks my habits more easily, so I think they assumed I'd be more likely to buy from more expensive sellers if they just withheld showing me the cheaper ones. I could see the same more expensive options on my PC, but nothing below a certain price point on my phone. In a physical store, they're only able to advertise one price. But online, when there can be multiple origin points for a product in a single market, they can simply withhold showing you some of them.

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Alexstarfire 1 point 20 days ago

I find this hard to believe as well. There is very little information given and it seems more likely they accidentally shopped at two different targets. I've heard the same claim about plane tickets, also mentioned in the article, and have never experienced it as well. Though there is a lot more evidence to back that claim up.

My comparisons have been between my work laptop and my personal computer. Two completely different machines, different IP addresses and vastly different habits on those machines. I never even log into my accounts on my work machine.

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