I don't see how they could know anything about me.
Although I am aware that Nakers ensures that the stuff I want to buy is stocked at my local supermarket.
( tangledupinblue hairy badge with moving eyes, Mon 10 Jun 2013, 12:10, 1 reply, 12 years ago)

Do you pay in cash for everything?
Do you never use the same card more than once?
Have you never booked a flight with a credit card?
Ever completed APIS on said booking?
Delete your cookies after every website you visit?

Companies make a fortune aggregating these breadcrumbs we leave.
(socynicalsohip, Mon 10 Jun 2013, 12:15, Reply)

He lives in a Yurt and gets his food from the hedgrows.

(PsychoChomp, Mon 10 Jun 2013, 12:16, Reply)

This is a close enough summation, yes.
I don't own any credit cards or supermarket loyalty cards.
I do most of my internet browsing at work and tend to get targeted adverts related to my job.
( tangledupinblue hairy badge with moving eyes, Mon 10 Jun 2013, 12:30, Reply)

Fair one.
Although supermarkets do track you via your debit card.
They get all the benefit of the loyalty scheme without giving you jack.
(socynicalsohip, Mon 10 Jun 2013, 12:57, Reply)

Ever been in an accident that wasn't your fault?

( Monty Boyce, My cheese game is strong, Mon 10 Jun 2013, 12:16, Reply)