That makes sense for purely offline media playback, but how could that work for a game or application or website? Ship several versions of the app for the different brackets and let the OS choose which to run? Then specifically design your telemetry to avoid logging which version is running?

You'd also not be reporting your age, you'd be sending a "please treat me like an adult" or "please treat me like a child" flag. That's hardly PII. More like a dark/light mode preference, or your language settings (which your browser does send).

Games already have PG ratings and similar in different countries, I don't see the issue there. Web content could set a age appropriateness header and let browsers deal with it, either for specific content or for the whole website if it relies on e.g. addictive mechanics.

Applications is a wide field, but I'd be interested in specific examples where you think it wouldn't work.

Sure. Take a game with voice chat. Child mode disables voice chat. How does the game, which presumably uses a load of telemetry, avoid incidentally leaking which users are children via the lack of voice telemetry data coming from the client? It's probably possible, but the fact is we're talking about third party code running on a computer, and the computer running different code paths based on some value. The third party code knows that value, and if it has internet access can exfiltrate it. In that sense, if there's an internet connection, there's not a meaningful difference between "the OS tells the service/app your age rating preference" and "the OS changes what it displays based on your age rating preference."

Though while I'm throwing out fantasy policies we could solve this by banning pervasive surveillance outright.

The service would then have to deduce the information instead of getting it explicitly and may be able to do that some of the time instead of all of the time, which is an improvement. And then people can work on anti-fingerprinting technologies with the premise that if they succeed it actually does something, instead of the information being required by law to leak to the service.

Suppose you had an ID requirement instead. Are you going to make two different versions of your game or website, one for people who show ID and another for people who don't? If so, do the same thing. If not, then you have one version and it's either for adults only or it isn't.

> You'd also not be reporting your age, you'd be sending a "please treat me like an adult" or "please treat me like a child" flag.

Except that you essentially are reporting your age, because when you turn 18 the flag changes, which is a pretty strong signal that you just turned 18 and once they deduce your age they can calculate it going forward indefinitely.

This is even worse if it's an automated system because then the flag changes exactly when you turn 18, down to the day, which by itself is ~14 bits of entropy towards uniquely identifying you and in a city of a 100,000 people they only need ~17 bits in total.

But how does that do anything for you either way? Either you have two different versions based on whether the flag is present or not or you have one version and if it's adults only then you have to send the flag indicating you're an adult in order to use it.

90% of an R rated movie might be ok for a 12 year old but those one or violent or sex scenes makes it R. Should we be rating every scene in movies?

Give parents general guidance and let them define the controls.

> The child can install a virtual machine, create an account on the virtual machine and set the age to 18 or over

It's precisely how I worked around the parental control my parents put on my computer when I was ~12. Get Virtualbox, get a Kubuntu ISO, and voilà! The funniest is, I did not want to access adult content, but the software had thepiratebay on its blacklist, which I did want.

In the end, I proudly showed them (look ma!), and they promptly removed the control from the computer, as you can't fight a motivated kid.

That's assuming the parental controls allow the kid to create a virtual machine. And then that the kid knows how to create a virtual machine, which is already at the level of difficulty of getting the high school senior who is already 18 to loan you their ID.

None of this stuff is ever going to be Fort Knox. Locks are for keeping honest people honest.

I honestly don't really agree on the difficulty, as if this becomes a commonplace way to bypass such laws, you can expect tiktok to be full of videos about how to do it. People will provide already-installed VMs in a turnkey solution. It's not unlike how generations of kids playing minecraft learnt how to port forward and how to insatll VPNs for non-alleged-privacy reasons: something that was considered out of a kid's reach became a commodity.

> None of this stuff is ever going to be Fort Knox. Locks are for keeping honest people honest.

On that we agree, and it makes me sad. The gap between computer literate and illiterate will only widen a time passes. Non motivated kids will learn less, and motivated ones will get a kickstart by going around the locks.

That's assuming the permission is for "use of kernel-mode hardware virtualization" rather than "installation of virtualization apps".

Notice that if the kid can run arbitrary code then any of this was already a moot point because then they can already access websites in other countries that don't enforce any of this stuff.

It's just a bunch of clicks, even under linux.

Just install virtualbox. It literally walks you through a VM creation.

I promise there are people who can't figure out how to do it.

And again, the point of the lock on the door where you keep the porn is not to be robustly impenetrable to entry by a motivated 16 year old with a sledgehammer, it's only to make it obvious that they're not intended to go in there.

Regular people want to get things done, the tinkering is not a goal for them in itself and they gravitate to simple and convenient ways of achieving things, and don't care about abstract principles like open source or tech advantages or what they see as tinfoil hat stuff. But if they want to see their favorite TV series or movie, they will jump through hoops. Similarly for this case.

that is the job of parents/guardians

If I ever find some idle time, I'd like to make an agent that surfs the web under my identity and several fake ones, but randomly according to several fake personality traits I program. Then, after some testing and analysis of the generated patterns of crawl, release it as freeware to allow anyone to participate in the obfuscation of individuals' behaviors.

You also need to account for how "easy" it is to de-anonymize a profile.

(Sorry I don't have links to sources handy.)

Differential privacy is just a bait to make surveillance more socially acceptable and to have arguments to silence critics ("no need to worry about the dangers - we have differential privacy"). :-(

Yes, but in this case which we're discussing:

It may often times be trickier than that - content often mixed of course. My 10 y/o hit me with a request yesterday to play Among Us where the age verification system wanted my full name, address, email, AND the last 4 digits of my SSN. I refused.

The bad actor still gets ROI, eg 'paid', for another bit of user data.

Making the overall system less useful is good. However, not allowing a company to profit, and giving fake info still allows for that, is paramount. EG, even with fake info, many metrics on a phone are still gamed and profitable.

That's why they're collected, after all. For profit.

There's no such thing as useless info. Companies will sell it, buy it, and act on it regardless of how true it is. Nobody cares if the data is accurate. Nobody is checking to see if it is. Filling your dossier with false information about yourself won't stop companies from using that data. It can still cost you a job. It can still be used as justification to increase what companies charge you. It can still influence which policies they apply to you or what services they offer/deny you. It can still get you arrested or investigated by police. It can still get you targeted by scammers or extremists.

Any and all of the data you give them will eventually be used against you somehow, no matter how false or misleading it is. Stuffing your dossier with more data does nothing but hand them more ammo to hit you with.

If the info becomes bad, it becomes much less useful and valuable.

I’m in the us and we o need some rights to privacy.

Don't limit, notify.

Has worked for TV (and movies to an extent, though theaters do limit somewhat, must have been some litigation around that...) pretty much forever.

If I ever turn uBO off, the ads I get are mostly for funeral plans or incontinence products, with a smattering of "126 year old mom lost 30 lbs of belly fat - click to see how!" (yeah, decomposition's a bitch...)

And, for the record, it's way better to get ads for BS like that than stuff that may actually influence you.

So put the content tag at the granularity of the content.

Around 20 years ago, Germany actually made a law that would have enforced such a system. I still have a chart in my blog that explained it, https://www.onli-blogging.de/1026/JMStV-kurz-erklaert.html. Content for people over 16 would have to be marked accordingly or be put offline before 22:00, plus, if your site has a commercial character - which according to german courts is every single one in existence - you would need to hire a someone responsible for protecting teenagers and children (Jugenschutzbeauftragten).

Result: It was seen as a big censor machine and I saw many sites and blogs shut down. You maybe can make that law partly responsible for how far behind german internet enterprises still are. Only a particular kind of bureaucrat wants to make business in an environment that makes laws such as this.

Later the law wasn't actually followed. Only state media still has a system that blocks films for adults (=basically every action movie) from being accessed without age verification if not past 22:00.

You have that with any form of any of these things. They're almost certainly going to be set up so that you get in trouble for claiming that adult content isn't but not for having non-adult content behind the adult content tag.

Then you would be able to avoid legal questions by labeling your whole site as adult content, with the obvious drawback that then your whole site is labeled as adult content even though most of it isn't.

But using ID requirements instead doesn't get you out of that. You'd still need to either identify which content requires someone to provide an ID before they can view it, or ID everyone.

That's an argument for not doing any of these things, but not an argument for having ID requirements instead of content tags.

But you are right. It's an argument that the "just mark content accordingly" is also not a better solution, not that ID requirements are in any way better. The only solution is not to enable this censorship infrastructure, because no matter which way it's done, it will always function as one.

That's how you get the thing where instead of using different equipment to process the food with and without sesame seeds, they just put sesame seeds in everything on purpose so they can accurately label them as containing sesame seeds.

The alternative is that "just to be safe" you'll mark your entire site as needing age (identity, stool sample, whatever) verification. A single piece of sensitive content sets the requirements for the entire site.

That is pretty much what the UK Online Safety Act requires: https://en.wikipedia.org/wiki/Online_Safety_Act_2023

Many small forums had to simply shut down, as was widely reported on HN at the time.

"Dad, I can't do my math homework, a pop up says you need to provide a copy of your bank statement, your mom's maiden name, and a copy of your birth certificate, SS card, and drivers license, and can you hurry up Dad, my homework is due tomorrow morning." And people will fall for this once they get used to the system being absurd enough.

The fraud machine must be kept fed...

I think your example exemplifies this. Among Us is not inherently adult-only, but since it's multiplayer, they don't control what other player say and do. Definitively mixed content. They should not be asking you to verify, they should be telling you and letting you decide if your kid can play.

I kinda can't beleive their lawyers decided to go that route and assume all the PII responsibility that comes with collecting that data, instead of just making the "it's online and there might be d-bags on our servers" rating much more obvious and explicit.

These questions of liberty are as old as the hills. And the keepers of the internet and virtually every single government past and present have repeatedly and endlessly shown themselves to be lying, conniving, self interested parties. When will 'we' ever learn?

*who decides who 'we' are.

Services can absolutely decide to provide their own content settings. It doesn't require a universal setting or OS requirements, and it doesn't require providing PII to every website or telling a central authority every site you visit.

That would require people to be a responsible adult and actively parent their kids.

It's ironic, because people in this country identify with how hard they grind at work, but refuse to put a fraction of that effort into being an involved parent.

It's easier to just let the government ruin everyone else's good time online.

In return, the parents:

1. Get the illusion that their kids are safer (they aren't)

2. Get a clear conscience, and feel better mentally equipped to run on their corporate hamster wheel