Information Collected and Stored Automatically

If you do nothing during your visit but browse through the Web site, read pages or download information, we will gather and store certain information about your visit automatically. This information does not identify you personally. We automatically collect and store information like the following concerning your visit.

• The Internet domain (for example, "xcompany.com" if you use a private Internet access account, or "yourschool.edu" if you connect from a university's domain);
  
• Your IP address (an IP address is a number that is automatically assigned to your computer whenever you are surfing the Web) from which you access our Web site.
  
• The type of browser and operating system used to access our site;
  
• The date and time you access our site;
  
• The pages you visit; and
  
• If you linked to our Web site from another Web site, the address of that Web site.

We use this information to help us make our site more useful to visitors—to learn about the number of visitors to our site and the types of technology our visitors use.

Information That You Voluntarily Provide

We do not collect personally-identifiable information unless you choose to provide it to us. If you provide us with personally identifiable information, for example by sending an e-mail or by filling out a form and submitting it through our Web site, we use that information only to respond to your message and to help us provide you with the information and services that you request.

Submitting voluntary information constitutes your consent to the use of the information for the stated purpose. When a user clicks the "Submit" button on any of the Web forms found on our site they are indicating voluntary consent to use of the information they submit for the stated purpose. We do not collect or use information for commercial marketing.

Cookies

This web site also uses 'cookies' to collect information. A cookie is a string of characters that can be written to a file on the user's hard drive when the user visits a Web site. Only the Web site that set the cookie can read it, and it can only be used as a record keeping device to store information that the site already has. It cannot, for example, be used to read other information from the user's hard drive.

We use cookies to track users' activity through the site in order to improve the site's features and content. If you wish to prevent certain or all cookies from being set to your hard drive you may disable them in your browser's preferences.