Privacy Policy
Last modified: February 25, 2010
At The Public Learning Media Laboratory, Inc., we recognize that privacy is very important. This Privacy Policy applies to all of the products, services and websites offered by The Public Learning Media Laboratory, Inc. In addition, where more detailed information is needed to explain our privacy practices, we post supplementary privacy notices to describe how specific services process personal information.
If you have any questions about this Privacy Policy, please feel free to contact us at any time through our website or write to us at
The Public Learning Media Laboratory, Inc
64 Hampshire Street
Cambridge, MA 02139
USA
Information we collect and how we use it
We offer a number of services that do not require you to register for an account or provide any personal information to us. In order to provide our full range of services, we may collect the following types of information:
Information you provide – When you sign up for an account with The Public Learning Media Laboratory, we ask you for personal information (such as your name, email address and an account password). We maintain this information in encrypted form on secure servers. For specific services, we may give you the opportunity to opt-out of providing certain information.
We do not share any information with outside parties, including, but not limited to, advertising agencies, marketing firms, or other educational or nonprofit organizations.
Cookies – When you visit services and sites of The Public Learning Media Laboratory, we send one or more cookies – a small file containing a string of characters – to your computer or other device that uniquely identifies your browser. We use cookies to improve the user experience of our products, including for the storage of your personal preferences (language selection, for example). We do not aggregate or share your cookies with outside parties. We do not use your cookies for advertising purpose.
Log information – When you access services of The Public Learning Media Laboratory, Inc., our servers automatically record information that your browser sends whenever you visit a website. These server logs may include information such as your web request, Internet Protocol address, browser type, browser language, the date and time of your request and one or more cookies that may uniquely identify your browser.
User communications – When you send email or other communications to The Public Learning Media Laboratory, we may retain those communications in order to process your inquiries, respond to your requests and improve our services.
Other sites – This Privacy Policy applies to services of The Public Learning Media Laboratory only. We do not exercise control over the sites displayed as search results. These other sites may place their own cookies or other files on your computer, collect data or solicit personal information from you.
The Public Learning Media Laboratory, Inc only processes personal information for the purposes described in this Privacy Policy and/or the supplementary privacy notices for specific services. In addition to the above, such purposes include:
Tracking your performance history in our Math applications;
Retaining your charting data in our Graphing applications
You can find more information about how we process personal information by referring to the supplementary privacy notices for particular services.
The Public Learning Media Laboratory, Inc processes personal information on our servers in the United States of America and in other countries.
Choices for personal information
When you sign up for a particular service that requires registration, we ask you to provide personal information. If we use this information in a manner different than the purpose for which it was collected, then we will ask for your consent prior to such use.
If we propose to use personal information for any purposes other than those described in this Privacy Policy and/or in the specific service privacy notices, we will offer you an effective way to opt out of the use of personal information for those other purposes. We will not collect or use sensitive information for purposes other than those described in this Privacy Policy and/or in the supplementary service privacy notices, unless we have obtained your prior consent.
Most browsers are initially set up to accept cookies, but you can reset your browser to refuse all cookies or to indicate when a cookie is being sent. However, some features and services of The Public Learning Media Laboratory, Inc. may not function properly if your cookies are disabled.
You can decline to submit personal information to any of our services, in which case The Public Learning Media Laboratory, Inc. may not be able to provide those services to you.
Information sharing
We do not share personal information with other companies or individuals outside of The Public Learning Media Laboratory, Inc.
Please contact us at the address below for any additional questions about the management or use of personal data.
Information security
We take appropriate security measures to protect against unauthorized access to or unauthorized alteration, disclosure or destruction of data. These include internal reviews of our data collection, storage and processing practices and security measures, as well as physical security measures to guard against unauthorized access to systems where we store personal data.
Enforcement
The Public Learning Media Laboratory, Inc. regularly reviews its compliance with this Privacy Policy. Please feel free to direct any questions or concerns regarding this Privacy Policy or our treatment of personal information by contacting us through this web site or by writing to us at
The Public Learning Media Laboratory, Inc
64 Hampshire Street
Cambridge, MA 02139
USA
Changes to this Privacy Policy
Please note that this Privacy Policy may change from time to time. We will not reduce your rights under this Privacy Policy without your explicit consent, and we expect most such changes will be minor. Regardless, we will post any Privacy Policy changes on this page and, if the changes are significant, we will provide a more prominent notice (including, for certain services, email notification of Privacy Policy changes). Each version of this Privacy Policy will be identified at the top of the page by its effective date, and we will also keep prior versions of this Privacy Policy in an archive for your review.
If you have any additional questions or concerns about this Privacy Policy, please feel free to contact us at any time through this web site or at
The Public Learning Media Laboratory, Inc
64 Hampshire Street
Cambridge, MA 02139
USA
