Mark Thorson > wrote:

> It's entered into databases used by insurance companies,
> law enforcement, trial lawyers, etc. For example, if you
> tell your health care insurance company that you're a
> non-smoker to get a lower rate, but you buy a carton
> or more of cigarettes every week, they'll collect your
> insurance premiums while your healthy but deny coverage
> when you get an expensive disease like lung cancer.

> Or if you have an accident while driving, if the other
> guy's insurance company can show you bought a bottle
> of booze an hour earlier and the cops didn't do a
> blood alcohol test, this will be used to call into question
> whether you were sober while driving.

Do you have any proof that shopping loyalty card information
is used in the manner you describe, or are you just expressing
your paranoid opinion?