Last Updated: 21 January 2026

I. Website Positioning and Vision
Welcome to this personal website! As an independently operated cross-border knowledge sharing platform, we are dedicated to serving users in multiple regions worldwide, including Europe and the Asia-Pacific. We strive to share the achievements of personal research interests in a free, engaging, and scientifically valuable manner—encompassing AI-assisted research-oriented online tests and calculation projects (non-medical diagnosis/treatment and non-professional certification nature) as well as open popular science courses (non-educational institution and non-profit nature). Our mission is to break geographical barriers and build a lightweight, barrier-free high-quality space for cross-regional knowledge exchange and exploration.
We adhere unwaveringly to the core principles of “free sharing and compliant operation”: no registration or login functions are required, no fees are charged to users, and no mandatory bundling of additional services is imposed. We aim to create a pure, secure, and burden-free knowledge acquisition experience for every user, enabling users from different regions to easily access interesting research-related content and practical tools.

II. Core Service Content
To focus on the core positioning of sharing research interests, our service content is strictly limited to the following scope, adhering to the clear boundary of “non-profit and non-professional services” throughout:
1.Research-oriented Online Tests and Calculation Projects: General research-themed interesting tests and basic data calculation tools generated with AI assistance (such as popular science numerical conversion, theoretical model simulation, etc.). These are solely for interest exploration and knowledge reference, and do not involve decision-making support in professional fields such as medical care, finance, or law. They do not possess any official validity such as diagnosis/treatment or certification, and the relevant results shall not be used as the basis for professional judgments.
2.Free Open Knowledge Courses: Popular science content compiled around interesting research topics, presented in the form of graphics, basic tutorials, etc. These are only for non-commercial learning and exchange, do not constitute systematic teaching, do not issue any academic or qualification certificates, are not of an educational institution nature, and do not replace formal education or professional training.
3.Compliant Communication Channels: We only receive user inquiries, feedback, and suggestions through the official email address ([email protected]). We do not actively collect or store any additional personal information. Communication content is solely used to optimize services and respond to needs, strictly following the storage and protection rules specified in the Privacy Policy.

III. Operation Model and Compliance Commitments
3.1 Operation and Revenue Model
To cover daily operational costs such as website server deployment, technical maintenance, and content updates, we only obtain reasonable revenue through two compliant and fully transparent methods:

  • Access to Compliant Advertising Alliances: The advertising content displayed is provided by advertising alliances with compliant qualifications in the service-covered regions. Advertising placement is based on users’ non-identifiable behavioral data (such as country/region of residence, browsing preferences) and is not linked to personal identity information. Users have the right to independently choose whether to click on advertisements and may disable personalized advertising pushes through Cookie settings;
  • Compliant Private Domain Diversion: We provide non-mandatory private domain communication portals (such as popular science content exchange communities) solely for further communication among interested users. These do not involve any paid conversion, mandatory diversion, or bundled consumption behaviors, and users may independently decide whether to join.
    We solemnly commit: We will not sell, lease, or disclose any user personal information; we will not obtain revenue through irregular means such as induced clicks, forced viewing, or mass pop-ups. All operational activities strictly comply with the Advertising Law, Data Protection Law, and other relevant regulations of the service-covered regions, subject to supervision by users and regulatory authorities.
    3.2 Global Compliance Adherence
    We attach great importance to legal differences and compliance requirements across regions. All operational activities strictly adhere to the following core laws, regulations, and industry standards to ensure full compliance and zero risk:
  • China: Personal Information Protection Law of the People’s Republic of China, Data Security Law of the People’s Republic of China, Advertising Law of the People’s Republic of China;
  • European Union (EU) and European Economic Area (EEA): General Data Protection Regulation (GDPR), ePrivacy Directive;
  • United Kingdom (UK): Data Protection Act 2018 (UK GDPR), Privacy and Electronic Communications Regulations (PECR);
  • Asia-Pacific Region: Japan’s Act on the Protection of Personal Information, South Korea’s Personal Information Protection Act, Singapore’s Personal Data Protection Act (PDPA), Indonesia’s Personal Data Protection Law (PDP Law);
  • Advertising and Data Compliance: Self-regulatory guidelines of international advertising alliances, Cookie usage specifications in various regions, and relevant regulatory requirements on cross-border data transfer.

IV. Data Protection and User Rights
We prioritize users’ privacy security and legitimate rights and interests, strictly following the principles of “legality, legitimacy, necessity, and minimization” in personal information processing to fully protect user rights:

  • Restrictions on Information Collection: We only collect necessary information for communication (such as name, contact email, feedback content) when users actively communicate via email; through Cookies and similar technologies, we automatically collect non-identifiable network information (such as IP address, country/region of residence) and usage behavior information (such as visited pages, stay time). We do not collect sensitive or irrelevant data such as mobile phone numbers, device models, biometric information, or financial information;
  • Protection of User Rights: Users have the right to inquire about, copy, correct, and delete their personal information, as well as withdraw consent to the use of Cookies and advertising pushes. These rights can be exercised by submitting an application through the official email address. We will respond and properly handle the application within 15 working days to ensure users can exercise their rights conveniently and without hindrance;
  • Security Protection Measures: We ensure the security of user information during transmission and storage through technical and management measures such as HTTPS encrypted transmission, compliant third-party cloud server storage, strict access control, and data backup. In the event of a data security incident, we will notify affected users within 72 hours in accordance with regulations and promptly take remedial measures to minimize user risks.

V. Contact Us
If you have any questions about website services, operation models, or compliance policies, or need to exercise personal information-related rights, provide feedback, or report irregularities, you may contact us through the following exclusive official channel:

  • Official Email: [email protected]
  • Response Timeframe: We will reply within 15 working days of receiving your email. All communication records are only used to address your needs, will be retained for the period specified in the Privacy Policy, and strictly protected without being used for other purposes.
    We are committed to providing compliant, high-quality, and transparent free knowledge sharing services to users worldwide. Thank you for your trust and support!
    Website Operator (Individual): Kevin

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