Web coupons know more about you than your mother does

OK, so it depends on how much you talk to her. The amount of information that one Web coupon — printed from the Internet or sent to a mobile phone — can hold is vast, reports The New York Times ’ Stephanie Clifford. “Their bar codes can be loaded with a startling amount of data, including identification about the customer, Internet address, Facebook page information, and even the search terms the customer used to find the coupon in the first place,” she wrote. At least they …