They violate your privacy:
According to one privacy expert, at least one national grocery chain voluntarily handed over to the government records from its customer loyalty card database in the wake of the Sept. 11 terrorist attacks.
And others say customer databases -- including those culled from travel, financial and insurance industries -- are routinely shared with the government for surveillance purposes.
They will violate it further in future:
The writer, who wished to remain anonymous, was employed in software development and worked on a data mining system to be used with card programs. The most interesting comments concern other businesses that were closely watching the project:"[...] one of my jobs was to wow potential customers. I had to take them through my data center and development labs and show them our stuff. The usual suspects were there - various marketers and database mongers. But the most interesting were the reps from the insurance companies. we had a BUNCH of 'em."
"The reason they were interested is that they wanted to collect lifestyle information on people so that individuals can be charged according to their lifestyles. 'We see that you eat too much red meat so your life insurance will be higher than the norm'. 'We see that you've bought a lot of electrical supplies which means you're doing unauthorized electrical work on your house. Therefore we're canceling your homeowners policy.' that kind of stuff..."
But you can fight back:
"If you shop at Safeway, I need your assistance in creating an army... an army of clones.
Send me an email with your address and I'll send you a label with my membership number and bar code on it. When you get the label in the mail, stick it on the back of your own Safeway Club Card, carefully covering the old zebra stripes.
Anyone who does this will be lumping their shopping data together with mine. Together we might amass a profile of the single greatest shopper in the history of mankind..."
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