Beside the difference in scale, there are also different incentives. The bartender typically doesn't sell your data. They probably don't have a list of favourite drinks which they could share with others, they just have the information in their head.

As soon as that data can be collected and sold at scale, there's an incentive to collect and sell as much data as possible, without any repercussions.

Spreading rumours doesn't pay the bills, so there's no large scale incentive to spread them.

> Spreading rumours doesn't pay the bills, so there's no large scale incentive to spread them.

Spreading rumours absolutely helps pay the bills, it's almost an essential part of the experience of going to the pub in a small town that only has a couple.

You're right to say that there is no "large-scale" incentive though.

>You're right to say that there is no "large-scale" incentive though.

Journalism.

> The bartender typically doesn't sell your data.

Scammers sell your data all the time. Try going to some third world country to some shady hotel, and the receptionist will tell the taxi driver exactly whre you came from and how rich they think you are, taxi driver will then take you to a scammy club, where they'll already know how much they can scam out of you, sometimes even the police is in the whole scam, so even the police officer knows all your data, before you even see them.

This regularly happens in USA, EU, and Japan which are not a third world country, whatever that's supposed to mean in 2021.

I was born in a country that was the literal definition of the third world (still live here, the country doesnt exist anymore), and places in EU avoid scamming our people like this, because it brings them too many issues, and they rather focus on richer german etc. tourists.

Actually in low-tech societies it was the other way around. Rich people had servants who lived in their houses and knew every detail of their lives. If you were rich back then, the servants knew where you ate, what you ate, where you slept, who you met, basically every detail of your life. If you had an argument with your spouse over money the servants could hear every word.

Meanwhile poor people were known to their immediate neighbourhood, but at a much lower level of detail. Yes, local businesses might know customers, but the knowledge was atomic and disconnected: nobody was integrating the information held by the barman and the storekeeper and the newsagent and the neighbours.

Isn't one of the traits of a good servant discretion? Meaning, your job depends on not blabbing your Master's secrets.

Just like Google.

The difference is reciprocity.

“Everyone knows everyone” vs “I know you, but you don’t even know who I am”.

Another, related difference, is the scale.

Even though the bartender can spread rumors, when the knowledge is in hands os corporations, can be easily queried by governments, etc. The potential magnitude is way bigger than a rumor in your local village.

There's a big difference between things a single person remembers, and things that are stored in a database.

The database can be merged with others and queried anonymously without anyone knowing it even exists. The data can be sold, distributed and used against you at a much greater scale, and there is nothing you can do about it.

"Do poor people in a primitive society have more privacy than poor people in a developed country?"

Are you kidding? If I move to a different town, I can take on a whole new identity, a new name, hide my heritage.

Good luck tracking me down in medieval society if I move provinces, let alone countries.

Forget medieval society, this is like 1980.

When your information was on paper in file cabinets with thousands of other people it wasn't much better than having nothing at all.