to provide personally identifiable information on the Pipeline Racks website, which may include your name, address, telephone number, and e-mail address. In addition, if a purchase is made, we collect credit card information, billing and shipping address, customer information, vehicle information, and prior purchases. This information can be gathered when feedback or e-mails are sent to Pipeline Racks, when you register for services, or make purchases via the website. In all such cases you have the option of providing us with personally identifiable information. You may always choose not to provide the requested information, but you then may not be able to participate in the particular activity that requires such information. If you do provide us with your personally identifiable information, you agree that we may contact you to provide you with information we believe may be of interest to you.