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msp26 · 7 months ago
Fantastic. I wonder how many random technical info is buried in these servers. I hate what it's done for game modding.
ldoughty · 7 months ago
I think the average server size here is in the ballpark of 1200 people.

These are servers that asked to be advertised by Discord ("Discovery"). These are unlikely to be any kind of servers used for private or even semi-private discussions. You likely don't know most of the people on the server.

Most likely, the 'hottest' kind of data you might find is someone accidentally leaking info akin to the World of Tanks forum post 'corrections'.

giancarlostoro · 7 months ago
A fair number of those servers have tens of thousands, if not hundreds of thousands of members. I admin two with over 50 thousand members, both listed in Discord's Server Explorer.
nixpulvis · 7 months ago
I learned programming back in the day on the Tukui (a wow addon) forums. I hate that it's all discord now. Not well searchable and buried info.
Davidzheng · 7 months ago
The algebraic topology server probably contains a huge number of treasures in modern research algebraic topology. I really really hope it's archived in full
DaSHacka · 7 months ago
Its not difficult to archive yourself, if you really care[0]

I use a dedicated alt account to archive tons of various servers I'm in, and auto-download all attachments. It's nice having regex search capabilities on my local copy of the data too.

[0] https://github.com/Tyrrrz/DiscordChatExporter

Macha · 7 months ago
It seems they identified servers via the discovery feature, which servers need to opt into (and I think be recognised as a "community server"? Though that might be out of date). I guess this is better than just scanning the web for invite links, but it does mean that probably most of those game modding servers were not included.
hiccuphippo · 7 months ago
I wonder if LLM companies don't have ways to scrape private Discord servers already. Creating accounts and pulling all the historic data doesn't sound impossible.
chneu · 7 months ago
They absolutely can and are. Multiple posts in here discuss how to do it.

It's like back in the days of IRC. People just logged all of it.

strogonoff · 7 months ago
Game modding is profitable and people doing it professionally (which they increasingly do) are quite attuned to the fact that making it too accessible would decimate their revenue. As a result, you either pay for the mod (early access, extra content, etc.), or you pay to join some Discord, but ideally you pay for something. Discord, which I generally dislike, is not necessarily the cause of it; if there was no Discord, people would probably use some other closed community platform instead.

I expect this would become more widespread as more traditional jobs are subsumed by unregulated ML tech (which, incidentally, the encumbent job-holders are helping train) and more people turn to what used to be generally a hobby as their means of making a living (not that that would last for too long either).

squigz · 7 months ago
> Game modding is profitable

It can be. As I understand it, it's sort of like streaming or other content creation - yes, it's possible, but difficult, as it's a saturated market. Most mod authors don't make much money.

As a slight aside, I think people would be more inclined to support creators like mod authors if it were simply easier. Patreon and the like make it fairly easy, but I don't think many people want to subscribe to 20+ Patreons for $5 apiece, as much as they might like to support those authors. On the other hand, I think more people would be willing to pledge $X per month to be split among all of their subscriptions. Sure, most creators would only get a few cents per user, but they'd likely get many more people subscribing, and I think it would add up quick. I might be wrong, and I don't take credit for this idea by any means; I read it some time ago, and possibly Patreon even offered this system before?

leotravis10 · 7 months ago
cflewis · 7 months ago
As usual, 404 nails it:

----

It should be noted, however, that almost no one reads end-user license agreements and many of Discord’s users are children and teenagers. Discord is, first and foremost, a platform for gamers to organize communities and it’s not plausible that a 15 year old looking for a Fortnite meme server ever thought their dumb jokes about Tomato Town would end up in a public database five years later.

----

Same as other commenters here: I think this is shameful action under the guise of research and I cannot fathom why any IRB board would approve this (and perhaps it did not in this case, I do not know if Brazil has such a thing).

Back in the day (15ish years ago), I wrote a paper where I scraped the World of Warcraft API. It wasn't hard to do, I started on a realm, looked for arena teams, then went to guilds and got character sheets from there. I took the opinion that if Blizzard doesn't throttle me it's fair game.

Looking back now, I think that to have been pretty naive. I wouldn't say reckless, but definitely naive. In my mind, I had not made a delineation between "I can access this thing manually one at a time" and "I can access all of it automatically". As far as I was concerned, it was just the computer pressing the buttons. It was the same thing.

I think in the fullness of time we have collectively come to realize it is 100% not the same thing. The _availability_ of a thing and the _collection_ of a thing are two different issues with their own thorny problems. The researchers here have made the same mistake I did, but instead of it just being what gear your character was wearing, they took actual communications instead.

I hope this paper gets retracted, all data deleted and a sincere apology offered.

lolinder · 7 months ago
On the contrary, I think that what these researchers did was the only ethical thing to do once they discovered that this was possible.

There's no way that this hasn't been done dozens of times before by intelligence agencies, hacker groups, and whoever else you care to worry about. Most of us here were well aware that public Discord channels have always been public and durable. It's hardly a secret from the technically savvy, it's just that Discord doesn't make it clear enough to regular users.

All this paper changes is that it draws mainstream attention to what was already happening illicitly for as long as Discord has been around. This can only be a good thing: the children and teenagers 404 is so worried about have always been vulnerable to their data getting leaked just like this, it's just that up until now that's been happening in the dark so as not to kill the golden goose.

AStonesThrow · 7 months ago
Now those of us who've been around the block know that Discord is merely the latest iteration on chat servers such as IRC.

I'm interested to know, from anyone here who's an IRC operator or server/network admin, how the IRC community deals with scraping and bots, because in the early 90s, it was never an issue of corporate Terms of Service or legalese, but typically handled by community standards, and probably, people did whatever they could get away with, and this needed to be anticipated and tolerated by the other participants in any given server or channel.

I doubt that IRC users, back in the day or in the present, have any illusions of privacy, when logging or reflecting or bouncing chats is more or less a built-in feature and an integral component of such a networked chat service.

Stagnant · 7 months ago
A big difference is that on Discord anybody who joins a server gets access to full history of chat logs whereas with IRC you don't get access to any past logs. So compared to IRC, Discord users should have an even lower expectation of privacy.
judge2020 · 7 months ago
But IRC bouncers have existed since forever - logging by someone in your channels was basically guaranteed outside of /privmsg.
chneu · 7 months ago
Nobody should have any expectations of privacy on discord. It's all privately hosted, owned, etc. Why would anyone think it's private?
mvieira38 · 7 months ago
It's not. At least in the RPG scene, which I experience, it's almost fully replaced forums, and lots of great fanmade content and insightful discussion goes into that low discoverability cesspool which may go offline any day and scrapes all of your data
roskelld · 7 months ago
I don't know if Discord fixed it as I haven't checked in a few years, but I tinkered with scraping some public Discords and I found that I could see hidden channels, not the data, but the channel names, which could do things like reveal to me if the same Discord was used for in-house development if it was a product Discord. Not great.
0xC0ncord · 7 months ago
This is still the case. There are even some client mods that let you view hidden channel names and know what roles/permissions are required to participate in them.
tuetuopay · 7 months ago
You can still see them. Using alternate clients you will see them, and bots also see them.
judge2020 · 7 months ago
This is technically the case - I believe the existence of private channels is still sent to the client (eg. their snowflake IDs, which also reveal creation date) but the channel names are no longer sent as well.
AStonesThrow · 7 months ago
It says they used ethical anonymization, but we’ve seen other scrapers are always completely in violation of Discord’s TOS.

So did Discord cooperate, or give special authorization for this collection? It wouldn’t appear that they could do so, if privacy belongs to their users at all.

01HNNWZ0MV43FF · 7 months ago
Would the TOS even prevent something like joining a guild, downloading all messages, then leaving?
judge2020 · 7 months ago
User bots (including hacked clients) are officially banned by the TOS, which addresses that concern.

The only acceptable API usage is via bots that server owners choose to invite. And while it might be legally OK (if the bot's own TOS says it), I promise no server owner is expecting an invited bot to slurp up every message for use in a data set, whether that be for academic purposes or a potential stalking/"dirt" database.

I highly doubt this is the most ethical instance of data collection.

AStonesThrow · 7 months ago
I'm not sure what you mean by "prevent". A TOS is a legal document designed to put down rules and a legal basis for the service.

I don't know what a "guild" is, if it's some Discord thing, and you don't say whether this is a good-faith human who joins, or a bot operator, intending to scrape. The hypothetical is irrelevant here; what is germane is that the expectation of privacy by the individual participants, and the terms which bind people who use that service.

The TOS clearly didn't prevent the use of API, but it may indeed prohibit such scraping, or threaten repercussions for people who break the terms, especially for someone who republishes the data. Your example of a simple download dump doesn't seem to involve republication, and that seems to be the major issue with scrapers.

kd5bjo · 7 months ago
A quick read through of their anonymization process seems to indicate that they didn’t scan the message contents for PII (other than usernames).

If true, that seems like a huge oversight. I also wonder what would happen if someone finds their information in the dataset and requests it to be removed per GDPR or other privacy legislation.

bawolff · 7 months ago
I can't help but think that if you say something in a public forum you should implicitly give up the right to privacy.

E.g. if someone scraped hackernews and made a dataset containing this comment, i don't think i should have any right to complain.

jowea · 7 months ago
I understand wanting to be careful, but didn't they only grab messages from servers that are already very public? Are Twitter message datasets anonymized?
Cynddl · 7 months ago
That's not how GDPR works and in this case the data is clearly anonymised despite the authors' claims. Amongst others, there needs to be mechanisms for users to delete their data, whether it was at some point public or not.

Deleted Comment

gynvael · 7 months ago
I've looked through the method this paper uses to anonymize user IDs and message IDs, I don't think it works. It's a long topic so I've written down my thoughts here: https://hackarcana.com/article/anonymization-in-discord-unve...
charcircuit · 7 months ago
>Data was collected through Discord's public API, adhering to ethical guidelines

How is it ethical to break Discord's terms of service? An ethical researcher would respect any contracts that they agreed to and would not violate them to collect more data.

zetanor · 7 months ago
Which ethical system demands that researchers from the DCC/UFMG not breach an unaffiliated commercial ToS during their research?
charcircuit · 7 months ago
One that recognizes that lying and tricking people is wrong to do.
MarcelOlsz · 7 months ago
edit: Whoops
__loam · 7 months ago
Awesome analysis dude! I'm sure the judge will love that when discord sues these guys.