Originally Posted by ceedee

Now *that* sounds like a Phorm analogy rather than Webwise.

From the Wikipedia entry I took it to be more akin to a brewery paying a pub landlord to record how many customers requested beer rather than wine.

I didn't notice any suggestion that any de-personalised or even individualised information is passed to Webwise just hugely amalgamated gross totals.
I got the impression that Webwise wouldn't have any clue that you'd personally searched Amazon, let alone for a particular title.