You provide certain Personally Identifiable Information to us when you: (a) register for our services and register your email address with us. (b) enter sweepstakes or contests sponsored by us or one of our partners. (c) sign up for special offers from selected third parties. (d) send email messages, submit forms or transmit other information by telephone or letter. or (e) submit your credit card or other payment information when ordering and purchasing products and services on our site.