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File from Microsoft Xandr shows the many ways advertisers label people

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Re: File from Microsoft Xandr shows the many ways advertisers label people

#3
see The Space Merchants (1952)

Bernays (IIRC) goes into detail about how detailed segmentation (a century ago, they had to hand-craft theirs, often with the help of push polling) is useful to "triangulate" a targeted segment by saturating neighbouring segments (pre-astroturf astroturfing).