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>I agree with you, if I type in a search term from location X, advertisers have enough targeting to serve me a relevant ad which I'm totally fine with.

i am not fine with that, because that's just a step from sellers offering a personalized prices for me, trying to squeeze everything out of me.



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I'm not sure what you mean.

I was meaning to differentiate between a vanilla search vs tracking data augmenting the search/ad delivery process.

Obviously the search term itself is used, and often location is required for queries such as "taxis near me". It's also essential for advertisers to know if you're in their geographical market.

That's just my opinion on what kind of data is OK to share, the point was that no further information is generally needed. The CMA reports highlight the fact that insidious tracking and the subsequent ROI tends to cement the dominant position of those who use it.


> I'm not sure what you mean.

He means this on a global scale: https://www.bbc.com/news/technology-18595347

And they were (are) using only User-Agent. Now imagine that google calculates some "wealth" score back to online shops, insurance companies,...


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