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Amazon’s recommendations are getting a little too creepy
(www.vox.com)
This is a most excellent place for technology news and articles.
And then what they found was that to be more effective was to mix up the suggestions for late term pregnancy / early childhood products with basically random nonsense...
... because if its too obvious that they are highly statistically confident that they know things about you that they shouldn't, people get weirded out and are less likely to buy something so specifically targeted at them.
They know an insane amount, and they do not want you to know that they know that much.
To play the devil's advocate, they could be putting that random junk there to see if they can find out other categories of things that you like.
¿Porque no los dos?
Why couldn't it be both?