. >> however, the electronic frontier foundation there's concern that hackers could get a hold of youropping records. >> our financial transactions are often very sensitive. we may purchase things from stores at particular times that we don't necessarily want a record of. >> the recommendation, consider setting up a separate e-mail account for items like e-receipts like this man does. >> i have my e-mail address for friends and all that stuff, and then everything else, junk mail, whatever it may be. >> now all the retailers i've mentioned have privacy policies that promise they will not sell or share your e-mail addresses. however, some will keep track of your purchases. so before you hand over your e-mail address you should ask merchants exactly how they plan to use your data. i'm michael finney, 7 on your side. >> up next, a san francisco lottery player scratches off his last ticket and then and then, -- he can't believe his eyes. and for those less fortunate, an [ female announcer ] the healing power of touch can be even more powerful, with precise pain relieving heat patch. it bloc