The Privacy Secret of Online Coupons

Saturday, 17 April 2010 | by Pat's Picks

Take a close look at the next online coupon you print. The New York Times says there’s a new breed of sophisticated online coupon with a customized bar code that doesn’t just trigger a discount when you redeem it. It also reveals a huge amount of your personal information to the merchant.

(Coupon example from rextrax.com)