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[_] Facebook, its investors and you

Jon Hadley me at jon-hadley.com
Fri Mar 2 15:57:15 GMT 2007

> > If you don't belong to a loyalty scheme I suspect the supermarkets just
> track people's habits via their credit/debit cards instead.

Or as a last resort, they take a stab at our likes and dislikes from
the content of our underscore posts ;)

Jon Hadley
http://jon-hadley.com