TLDR? Here are the key facts:

Who are we?

• PhysicsFox.org runs Physics Fox, a free online textbook for high-school physics. We can be contacted by email at [email protected], or by post at Office 47218, PO Box 6945, London, W1A 6US.

You can always:

• ask us for a copy of the information we have about you;
• ask us to update the information we have about you;
• ask us to delete the information we have about you; or
• ask us questions about how we use your information.

We will always:

• follow the law on how we keep and use the information we have about you.

We will never:

• give the information we have about you to anyone else, unless:
• you tell us we can;
• we think that doing so will protect you from harm; or
• the law says we have to (e.g. to prevent a crime).
• use the information you have given us to sell you anything, unless you have told us we can.

Here is the detail:

We do our best to keep your information safe and private, and will only use your information when the law allows us to. Because privacy rules can be complicated, we have tried to simplify things for you below to help you to understand what information we collect about you, how and why we use it, and your rights relating to your information. We hope that this will help you, but if you have any questions please contact us at [email protected]. You can also read our full Privacy Policy, and you should speak to your parent or guardian if you are unsure about any of the information below.

Please be aware that sometimes we may update our privacy policy, that way we can let you know of any changes to the way in which we use your information or where there are changes in law. From time to time, you should check back and look at this document to make sure you are aware of any changes. When we make any important changes to this policy, or the Terms of Service, we will notify you.

What information we collect about you:

There are a few different types of information we might collect, depending on how you use our site. We might collect:

• your name;
• your email address and display name;
• which country you are living in;
• technical information from your computer, mobile phone or other device that you use to visit our website;
• your login details; or
• information about your visit to our site, including the pages you visit on our site, any searches you made on the site and other sites that you go to from our site. Some of this information is stored in cookies (tiny files downloaded onto your computer or mobile phone) that operate on our site. For more information about cookies, how they work and the ones we use on our site, please see our Cookies Policy.

When and how do we collect your information?

We get your personal information from you. We do this when you create an account on our service.

Why do we use your information?

We use the information about you:

• to provide you with an account, which allows you to use more features on our service;
• to keep records of who is using our service and any payments made to us;
• to send you information about our service;
• if you take part in a competition;
• if you submit a testimonial;
• if you submit comments;
• if you submit feedback;
• to help us manage and improve our service;
• to show your progress on a public leaderboard;
• to fix any problems that you might have using our service; or
• to make sure that our service is safe.

We can only use your information when we are allowed by law. For instance, we are allowed to use your information:

• when you have agreed;
• when we need to by law;
• to let you use our service and provide you with any products you have requested; or
• for our own interests (e.g. to help us to manage, protect and improve our service) provided that this does not cause you any harm.

How long do we keep your information?

We will keep your information only for as long as we need it or for as long as the law requires.

Who do we share your information with?

We may share your information if we sell our business, or we buy or work with another business.

If you are in the UK or a country within the European Economic Area (EEA), we need to let you know that your information may be shared with organisations located outside of your country.

We will follow data protection laws to make sure that any organisation we share your information with complies with rules to protect your information and keep it safe.

If you sign up for an account, the display name of your account will be visible on a public leaderboard. This means that anyone in the world could see your display name. For this reason, it is important that you do not put any personal information in your display name. For more information, please read the Terms of Service.

How do we keep your information safe?

We have put measures in place to protect your information and keep it safe, and to make sure that anyone who works with us keeps your information safe. We will act quickly if we become aware that your information is not safe.

Your Rights

You have certain rights about your information. These depend on where you live and some rights might not always apply. You may have the right at any time to:

• Ask us for a copy of the information we have got about you;
• Change the information we have about you, or update it, if it’s wrong;
• Change how you’d like us to get in touch with you;
• Ask us to delete all the information we have about you;
• Or tell us if you are worried about the way we are keeping or using information about you, and want to make a complaint about this.

To do any of these, you can email us at [email protected], or send a letter to Data Protection Officer, Office 47218, PO Box 6945, London, W1A 6US.

We will aim to get back to you in about a month, or sooner if we can.

You always have the right to tell us not to send you newsletters. You can opt-out at any time by following the unsubscribe link included in every newsletter.

You can find more information about your rights in our full Privacy Policy.

You can reach out to us if you have any questions about how we keep your information safe and private.

If you are unhappy about the way that we are using your information, you can make a complaint to the Information Commissioner's Office (ICO) at https://ico.org.uk/make-a-complaint. We would, however, appreciate the chance to deal with your concerns before you approach the ICO, so please contact us first.