. >> reporter: pam dixon believes if the result of this profiling was targeted in better ads there would be no reason for concern. that is not what she's worried b. >> if you are a maim yore employer or -- major emmore or health plan -- employer or health plan, you can purchase the list. e.d you don't know that employers purchase the lists, but the fact it they can. >>. >> that is correct. this is outside regulation. there's no laws saying they can't. >> "america tonight" contacted exact data. without acting us why we needed them they agreed to sell us lists. the names, homes and email addresses of people who use online dating services. gamlers and sufferers of erectile dysfunction. we decided not to buy the lists, the name are not real. for $4500, al jazeera america could have purchased private information about tens of thousands of unsuspecting individuals, access that some fear could be bought by anyone. rachel is a chief lobby yist for a group representing data brokers. her job to push against the critics. people say data is not regulated, you are shadowing, fair. >> nothing further