Privacy Policy

1. Introduction

This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website. Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the site.

We reserve the right to make changes to this Privacy Policy at any time and for any reason. We will alert you about any changes by updating the "Last Updated" date of this Privacy Policy.

2. Information We Collect

2.1 Information You Provide

Currently, our Service does not require user registration or account creation. We do not directly collect personal information such as names, email addresses, or phone numbers unless you voluntarily provide them (e.g., through contact forms or feedback mechanisms).

2.2 Automatically Collected Information

When you visit our Service, we and our third-party partners may automatically collect certain information about your device and usage, including:

• Device Information: Browser type, operating system, device type (mobile/desktop)
• Usage Data: Pages visited, time spent on pages, click patterns, navigation paths
• Technical Data: IP address, referring URLs, timestamps
• Performance Data: Page load times, error messages

2.3 Cookies and Tracking Technologies

We and our third-party advertising partners use cookies, web beacons, and similar tracking technologies to:

• Remember your preferences and settings
• Understand how you use our Service
• Deliver personalized advertisements
• Measure advertising effectiveness
• Improve Service performance and user experience

Types of cookies we use:

• Essential Cookies: Required for basic Service functionality
• Analytics Cookies: Help us understand user behavior and improve the Service
• Advertising Cookies: Used by third-party advertisers to deliver relevant ads
• Preference Cookies: Remember your settings (e.g., dark mode, language)

3. Third-Party Advertising and Analytics

3.1 Advertising Partners

We use third-party advertising networks to display advertisements on our Service. These advertising partners may use cookies and similar technologies to collect information about your visits to this and other websites to provide relevant advertisements about goods and services that may interest you.

Common advertising partners may include (but are not limited to):

• Google AdSense
• Google Ad Manager
• Other display advertising networks

3.2 Analytics Services

We may use third-party analytics services to help us understand how users interact with our Service:

• Google Analytics: Tracks user behavior, demographics, and interests
• Vercel Analytics: Monitors Service performance and usage patterns

These services may collect information such as:

• How you found our Service (search engines, referral sites)
• Which pages you visit and how long you stay
• What content you interact with
• Geographic location (country/region level)
• Device and browser information

3.3 Third-Party Privacy Policies

Our advertising and analytics partners have their own privacy policies. We encourage you to review:

• Google Privacy Policy
• Google Advertising Privacy & Terms
• Vercel Privacy Policy

4. How We Use Your Information

We use the information we collect to:

• Provide, operate, and maintain our Service
• Improve, personalize, and expand our Service
• Understand and analyze how you use our Service
• Develop new features, products, and services
• Communicate with you (if you contact us)
• Detect and prevent technical issues or security threats
• Display relevant advertisements through third-party partners
• Comply with legal obligations

5. Information Sharing and Disclosure

5.1 Third-Party Service Providers

We may share information with:

• Advertising Networks: To display relevant advertisements
• Analytics Providers: To analyze Service usage and performance
• Hosting Services: To host and deliver our Service (e.g., Vercel)
• Database Providers: To store educational content (e.g., Neon, PostgreSQL)

5.2 Legal Requirements

We may disclose your information if required to do so by law or in response to:

• Valid legal requests from government authorities
• Court orders or subpoenas
• Protection of our legal rights or safety
• Prevention of fraud or security threats

5.3 Business Transfers

If we are involved in a merger, acquisition, or sale of assets, your information may be transferred. We will provide notice before your information is transferred and becomes subject to a different privacy policy.

6. Data Security

We implement reasonable security measures to protect your information from unauthorized access, alteration, disclosure, or destruction. These measures include:

• HTTPS encryption for data transmission
• Secure hosting infrastructure
• Regular security updates and monitoring
• Access controls for sensitive systems

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to protect your information, we cannot guarantee its absolute security.

7. Your Privacy Rights and Choices

7.1 Cookie Controls

Most web browsers allow you to control cookies through settings. You can:

• Block all cookies
• Accept only first-party cookies
• Delete cookies after browsing sessions
• Receive notifications when cookies are set

Note: Blocking cookies may affect your ability to use certain features of our Service.

7.2 Advertising Opt-Out

You can opt out of personalized advertising through:

• Google Ads Settings
• Digital Advertising Alliance (DAA) Opt-Out
• Network Advertising Initiative (NAI) Opt-Out

7.3 Do Not Track

Some browsers include a "Do Not Track" (DNT) feature. Currently, there is no industry standard for responding to DNT signals. We do not currently respond to DNT signals, but we will update this policy if standards are established.

7.4 Rights for EU/UK Users (GDPR)

If you are located in the European Union or United Kingdom, you have certain rights under GDPR:

• Right to Access: Request copies of your personal data
• Right to Rectification: Request correction of inaccurate data
• Right to Erasure: Request deletion of your data
• Right to Restrict Processing: Request limitation of data processing
• Right to Data Portability: Receive your data in a portable format
• Right to Object: Object to certain types of processing

7.5 Rights for California Users (CCPA)

If you are a California resident, you have rights under CCPA:

• Right to know what personal information is collected
• Right to know if personal information is sold or disclosed
• Right to opt-out of the sale of personal information
• Right to request deletion of personal information
• Right to non-discrimination for exercising your rights

Note: We do not sell personal information to third parties.

8. Children's Privacy

Our Service is designed for students preparing for AP® exams, which typically includes high school students. While we do not knowingly collect personal information from children under 13, we recognize that minors may use our Service.

If you are under 13 years old, please do not provide any personal information through the Service. If you are a parent or guardian and believe your child has provided personal information, please contact us.

For Students Under 18: We encourage parental involvement in your use of educational websites. Parents should review this Privacy Policy with their children.

9. International Data Transfers

Your information may be transferred to and maintained on servers located outside of your state, province, country, or other governmental jurisdiction where data protection laws may differ. By using our Service, you consent to the transfer of your information to the United States and other countries where our service providers operate.

10. Data Retention

We retain automatically collected information (analytics, cookies) for as long as necessary to:

• Provide and improve the Service
• Comply with legal obligations
• Resolve disputes and enforce agreements
• Maintain business records

Typically, analytics data is aggregated and anonymized over time. Cookie data is retained according to the settings of each specific cookie (see Section 7.1).

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. We will notify you of material changes by:

• Updating the "Last Updated" date at the top of this page
• Posting a notice on our homepage (for significant changes)

Your continued use of the Service after changes constitutes acceptance of the updated Privacy Policy.

12. Contact Us

If you have questions or concerns about this Privacy Policy or our data practices, please contact us through our repository:

https://github.com/bcusack91/ap-calculus-platform

For specific privacy requests (access, deletion, opt-out), please include:

• Your request type (access, deletion, etc.)
• Sufficient information to identify your data
• Verification of your identity
• Preferred contact method