The "old school" data brokers were keeping track of menstrual cycles 20 years ag... | Hacker News

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		kevin_thibedeau on March 4, 2020 \| parent \| context \| favorite \| on: The Junk Mail Men: Selling Your Data for over a Ce... The "old school" data brokers were keeping track of menstrual cycles 20 years ago for timed targeted ads. They were very specific about many things. The new kids Google and Facebook didn't invent this game.

noman-land on March 4, 2020 [–]

Mind posting some links about this? I'd be very interested in reading about it.

goldenkey on March 4, 2020 | [–]

I think the show Mad Men mentions this, Peggy if I'm not mistaken. Lunar cycles correlate with menstrual cycles. [1]

[1] https://www.ncbi.nlm.nih.gov/pubmed/3716780

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