in reply to Cory Doctorow

I'm at the end of my 24-city book tour for my new novel *Picks and Shovels*!

Catch me in #LONDON with RILEY QUINN from #TRASHFUTURE on July 1:

howtoacademy.com/events/cory-d…

And in #MANCHESTER at Blackwell's Bookshop on July 2:

eventbrite.co.uk/e/an-evening-…

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mastodon - Link to source

Cory Doctorow

@tknarr @dnkboston Don't want to be a reply guy, but

a) That was Target; and

b) The trick was *very* simple - they sent pregnancy ads to anyone who started buying folic acid, a supplement recommended to women in the early stages of pregnancy, and rarely to anyone else.

Sorta like sending ads for baseballs to people who've bough a catcher's mitt and a bat - but Target *and* its critics spun it as evidence of the amazing insights of "Big Data."

Unknown parent

mastodon - Link to source

Todd Knarr

@dnkboston Or when they started getting ads for pregnancy and baby products when, as far as they knew, nobody was pregnant. And then a month later the doc says "Your daughter is expecting.". Walmart found out the hard way that parents don't appreciate marketing being that personal.