Privacy Statement

Last Updated November 21, 2003

This page describes how we will handle any information we learn about you from your visit to this website. The information we receive depends upon what you do when visiting our site.

If you visit our site to read information:

We may collect and store only the following information about you:
the name of the domain from which you access the Internet (your Internet Service Provide - for example,, if you use an America Online account) when you access our site; and the IP address of the website from which you linked directly to this site.

We use the information we collect to measure the number of visitors to the different sections of our site, and to help us make our site more useful to all visitors.

If you fill out a form (feedback, information request, or to access source code from a book):

We will collect the information described in the section above ("If you visit our site to read information") as well as what you provide to us.

We use the information we collect to respond to your comments or determine who is using the software provided. It also allows me to know by whom and where my book is being used.

If you identify yourself by sending an E-mail:

You also may decide to send us personally-identifying information, for example, in an electronic mail message. We use personally-identifying information from you in various ways to further our various activities.

If you identify yourself by sending an E-mail:

From time to time, we may place information on your computer to allow us to identify you. This information is referred to as "Cookies". By showing how and when our visitors use the site, this information can help us continue to make our site more useful. We do not use cookies to view any information on your hard drive that was not put there by a cookie set by this site. The use of cookies is an industry standard and you will find that many Web sites use them. If you do not wish to accept cookies, or want to be notified of when they are placed, you may set your web browser to do so.

Currently, the only use of cookies on this site are for technical demonstration (to show you how they're used) or by third-parties (i.e., banners and counters).

Special Notice to Parents:

We will not use for marketing or promotional purpuses any personally-identifying information provided by any user who is identified to us as a minor. We encourage parents to ask your children to seek their permission before providing information about themselves or their family over the Internet.

No information should be submitted to this site by persons under 12 without the consent of their parent or guardian, nor should persons under 12 make purchases on this site without such consent.

Special Notice to Kids:

Please ask your parent or guardian for permission before sending any personal information over the Internet.

If you're under 13, you should not submit information to this site without the consent (permission) of your parent or guardian, nor should you make purchases on this site without such consent (permission).

We want to be very clear:

We will not obtain personally-identifying information about you when you visit our site, unless you choose to provide that information to us.

We reserve the right to change our Privacy Policy:

We might modify this policy in the future - they are under frequent review. The revised Privacy Policy will only apply to data collected subsequent to its effective date. We intend that any revisions will be posted at least 10 days prior to the effective date.

If you have questions or comments about our privacy policy, you may contact us by e-mail at privacys.

This page was originally based on the FTC privacy statement.

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