You have information on many people but can use it only against a finite number . Most businesses do n't really need your Social Security number . `` It 's not one or two companies that are acting irresponsibly with consumer data , '' said Andrea Matwyshyn , a law professor who teaches technology regulation at the Wharton School at the University of Pennsylvania . Privacy may reveal whether a company will share your information with you .
You have information on many people but can use it only against a finite number . Most businesses do n't really need your Social Security number . Privacy may reveal whether a company will share your information with you .