Forget Google, what about John Lewis?
I was in John Lewis at the weekend, looking at bean-to-cup espresso machines.
Later that night, I get an email about... bean-to-cup espresso machines.
Deriving that from my browsing habits is one thing, getting that from my idle wander around a physical store is quite the other.
The guy on the moon with the Telescope was clearly someone trying to blow the whistle on this.
Biting the hand that feeds IT
