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Privacy Policy

Last updated：7/4/2026

1. Introduction

PATHLINK DIGITAL LLC ("we," "us," or "our") operates the Sentia Read services. This Privacy Policy explains how we collect, use, disclose, and protect the information you provide when using our website, mobile applications, and browser extensions (collectively, the "Services").

We take your privacy seriously. By using the Services, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

  • Account information：Email address, username, and password you share during registration
  • Profile details：Language-learning preferences, reading level, and learning goals
  • Payment information：Billing details processed by third-party payment processors
  • User content：Documents, notes, highlights, and vocabulary lists you upload
  • Communications：Messages and feedback you send to us

2.2 Information Collected Automatically

  • Usage data：How you interact with the Services, including reading time, lookup history, and feature usage
  • Device information：Device type, operating system, browser type, and IP address
  • Log data：Timestamps, page views, and crash reports
  • Cookies and similar technologies：Used for authentication and preference storage

2.3 Information from Third Parties

  • Social logins：If you choose to sign in with a third-party account
  • Browser extension：Web content you save to the Services

3. How We Use Your Information

We use the information we collect to:

  • Provide and improve the Services：Deliver core features such as AI-powered definitions, content sync, and personalized learning experiences
  • Manage your account：Create and administer your account, process subscriptions, and handle payments
  • Communicate with you：Send service updates, technical notices, and respond to inquiries
  • Personalize the experience：Tailor content and recommendations to your level and interests
  • Analyze and research：Study usage trends to improve features and overall experience
  • Maintain security：Detect and prevent misuse, unauthorized access, and policy violations
  • Comply with legal obligations：Satisfy applicable laws and enforce our policies

4. AI and Data Processing

Sentia Read relies on artificial intelligence to provide contextual definitions and study recommendations:

  • Content analysis：Our AI analyzes the text you read to deliver contextual definitions
  • Learning patterns：We process your study data to refine vocabulary suggestions
  • Privacy protections：Your personal content is not used to train public AI models
  • Third-party AI services：We may leverage trusted AI APIs that do not retain or reuse your data

5. Information Sharing and Disclosure

We do not sell your personal information. We share it only in the following situations:

5.1 Service providers

We partner with third parties that help us operate the Services, including:

  • Cloud hosting and storage providers
  • Payment processing services
  • AI and machine-learning vendors
  • Analytics and monitoring tools
  • Customer support platforms

These partners are contractually bound to use your information only to deliver their services.

5.2 Legal requirements

We may disclose information when necessary to:

  • Comply with legal processes or government requests
  • Enforce our Terms of Use
  • Protect our rights, property, or safety
  • Prevent illegal activity or safeguard public safety

5.3 Business transfers

In the event of a merger, acquisition, or asset sale, your information may be transferred. We will notify you before your personal data becomes subject to a different privacy policy.

6. Data Security

We implement industry-standard security measures to protect your information:

  • Encryption：Data is encrypted in transit and at rest
  • Access controls：Employee access to personal data is strictly limited
  • Security monitoring：We continuously monitor for potential threats
  • Regular audits：Security assessments and updates are performed regularly

While we take reasonable steps to safeguard your information, no method of transmission or storage is completely secure.

7. Data Retention

We retain personal information for the following periods:

  • Active accounts：For as long as your account remains active
  • Deleted accounts：Up to 90 days after deletion, unless longer is required by law
  • Backups：Backup copies may persist longer but remain isolated and inaccessible
  • Aggregated data：Anonymized statistics may be retained indefinitely

8. Your Rights and Choices

Depending on where you live, you may have the following rights:

8.1 Access and portability

Request a copy of the personal information we hold about you and receive it in a structured, commonly used format.

8.2 Correction and updates

Update your personal details within account settings or contact us for corrections.

8.3 Deletion

Ask us to delete your account and personal information. Certain data may be retained as required by law.

8.4 Objection and restriction

Object to specific processing activities or request that we limit how your data is used.

8.5 Marketing opt-out

Unsubscribe from marketing communications via the link in emails or your account settings.

8.6 Cookie preferences

Manage cookie settings in your browser, though disabling cookies may affect certain features.

9. Children's Privacy

The Services are not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected data from a child, contact us and we will remove it promptly.

10. International Data Transfers

Your information may be transferred to and stored on servers outside your country, including in the United States. These locations may have different data-protection laws. By using the Services, you consent to these transfers. We implement appropriate safeguards regardless of where your data is processed.

11. Jurisdiction-Specific Rights

11.1 EU/EEA users (GDPR)

If you are in the EU or EEA, you have additional rights, including withdrawing consent, data portability, and lodging complaints with supervisory authorities. We process your data based on legitimate interests, contractual necessity, or your consent.

11.2 California residents (CCPA/CPRA)

California residents have the right to know what personal information we collect, use, and share; to request deletion; to opt out of the "sale" of data (we do not sell personal data); and to be free from discrimination for exercising these rights.

11.3 Users in China

In accordance with the Personal Information Protection Law (PIPL), we adhere to China's data-protection requirements, including data minimization, transparent processing, and obtaining separate consent when required.

12. Third-Party Links and Services

The Services may contain links to third-party websites or services. We are not responsible for their privacy practices and encourage you to review the privacy policies of any third-party sites you visit.

13. Changes to This Policy

We may update this Privacy Policy periodically. We will post the updated policy here and revise the "Last updated" date. For significant changes, we will provide additional notice via email or in-product messages.

We encourage you to review this Privacy Policy regularly to stay informed about how we protect your information.

14. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy, contact us at:

PATHLINK DIGITAL LLC

Email: support@sentiaread.com

We will respond within 30 days of receiving your request.

Our Commitment to Data Protection

At Sentia Read we are committed to safeguarding your privacy and data. We continually invest in security measures and follow best practices in data protection. Your trust matters to us, and we take the responsibility to protect your information seriously.

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