In these Terms and Conditions, unless the context otherwise requires:
References to statutes or statutory provisions include those statutes or provisions as amended, re-enacted, or replaced from time to time. The headings in these Terms are for convenience only and shall not affect their interpretation. Words in the singular include the plural and vice versa. A reference to "writing" or "written" includes email.
Back to top2.1. By accessing, browsing, or using the Service in any manner, including but not limited to visiting the website, creating an account, submitting a shuffle, viewing results, or accessing any content, You acknowledge that You have read, understood, and agree to be bound by these Terms, Our Privacy Policy, and Our Terms of Use.
2.2. If You are using the Service on behalf of an organisation, You represent and warrant that You have authority to bind that organisation to these Terms, and references to "You" shall include that organisation.
2.3. We may require You to expressly confirm Your acceptance of these Terms (for example, by ticking a checkbox or clicking an "I Agree" button) before permitting You to use certain features of the Service. Such confirmation shall constitute Your binding acceptance.
2.4. Your continued use of the Service following the posting of any changes to these Terms shall constitute Your acceptance of such changes.
2.5. These Terms were last updated on the date shown at the top of this document. It is Your responsibility to review these Terms periodically.
Back to top3.1. 52Shuffled is a scientific research experiment and web application that enables Users to:
3.2. The Service is provided for purposes of scientific research, education, and entertainment. The Service does not constitute gambling, gaming, or any form of wagering.
3.3. We reserve the right to modify, suspend, or discontinue any aspect of the Service at any time, with or without notice, and without liability to You.
3.4. The Service is provided on an "as is" and "as available" basis. We do not guarantee that the Service will be uninterrupted, error-free, secure, or free of viruses or other harmful components.
Back to top4.1. You must be at least 16 years of age to use the Service. If You are under 18 years of age, You must have the consent of a parent or legal guardian to use the Service, and that parent or guardian must agree to these Terms on Your behalf.
4.2. By using the Service, You represent and warrant that:
4.3. You are responsible for maintaining the confidentiality of Your account credentials and for all activities that occur under Your account. You must notify Us immediately of any unauthorised use of Your account.
4.4. We reserve the right to refuse registration, suspend, or terminate any account at Our sole discretion, without notice or liability.
4.5. You may not create more than one account per person. Creating multiple accounts to circumvent rate limits, anti-cheat measures, or any other restrictions constitutes a material breach of these Terms.
Back to top5.1. You agree to use the Service only for lawful purposes and in accordance with these Terms. You shall not:
5.2. You acknowledge that all submissions are subject to automated and manual review for compliance with these Terms and Our anti-cheat policies.
5.3. We reserve the right to remove any User Content and to take any action We deem necessary, including account suspension or termination, if We believe You have violated these Terms.
Back to top6.1. Ownership. You retain ownership of any original creative expression contained in Your User Content (such as Your likeness in videos), subject to the licence granted below. You acknowledge and agree that Shuffle Data (the numerical card order and associated metadata) does not constitute original creative expression and is not subject to copyright protection.
6.2. Licence Grant. By submitting any User Content to the Service, You hereby grant to the Company a perpetual, irrevocable, worldwide, non-exclusive, royalty-free, sublicensable, transferable licence to:
6.3. Waiver of Claims. To the fullest extent permitted by law, You irrevocably waive and agree never to assert any and all moral rights, rights of paternity, rights of integrity, rights of privacy, rights of publicity, and any other similar rights (howsoever arising) in or in relation to Your User Content, including but not limited to Your video recordings, card order data, and any corrections or annotations You provide.
6.4. Representations and Warranties. By submitting User Content, You represent and warrant that:
6.5. No Compensation. You acknowledge and agree that You are not entitled to any compensation, payment, royalty, or fee of any kind for Your User Content, the licence granted herein, or the use of Your data in the Dataset, research, or any commercial activity derived therefrom. Your participation is voluntary and provided in the interest of contributing to scientific research.
6.6. Irrevocability. You acknowledge that the licence granted in Section 6.2 is irrevocable and survives any termination or expiration of these Terms, Your account, or the Service itself. Once submitted, User Content that has been incorporated into the Dataset cannot be individually removed due to the nature of aggregate scientific data collection. However, personal data may be deleted in accordance with Our Privacy Policy and applicable data protection legislation.
Back to top7.1. All Intellectual Property Rights in the Service, including but not limited to the website, application, software, algorithms, databases, Dataset, designs, logos, trademarks, trade names, text, graphics, and documentation, are and shall remain the exclusive property of the Company or its licensors.
7.2. Nothing in these Terms grants You any right, title, or interest in the Service or Our Intellectual Property Rights, except for the limited right to use the Service in accordance with these Terms.
7.3. The Dataset, including all Shuffle Data, statistical analyses, comparison results, and derived works, is the exclusive property of the Company. You acknowledge that Your individual contribution to the Dataset does not entitle You to any ownership interest in the Dataset as a whole or any part thereof.
7.4. The compilation, selection, arrangement, and presentation of data within the Dataset constitutes a database protected by the Copyright, Designs and Patents Act 1988 and the Copyright and Rights in Databases Regulations 1997. Unauthorised extraction or re-utilisation of the whole or a substantial part of the Dataset is prohibited.
7.5. You shall not use Our trademarks, logos, or brand materials without Our prior written consent.
Back to top8.1. Research Purpose. The primary purpose of the Service is to collect, analyse, and publish research data on human card shuffle randomness, permutation distribution, and related topics in combinatorics, probability theory, and cognitive science.
8.2. Anonymisation. All data incorporated into the Dataset for research and commercial purposes will be anonymised in accordance with Our Privacy Policy and applicable data protection legislation, including the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018. Anonymised data is data from which You cannot be identified, directly or indirectly.
8.3. Perpetual Retention. You acknowledge and agree that anonymised Shuffle Data and derived statistical analyses will be retained in perpetuity as part of the scientific record. This is necessary for the integrity and reproducibility of the research. Anonymised data does not constitute personal data under GDPR and is therefore not subject to data deletion requests.
8.4. Commercialisation. You acknowledge and agree that the Company may commercialise the Dataset and any derivatives thereof, including but not limited to:
8.5. No Revenue Share. You expressly acknowledge and agree that You shall have no claim to any revenue, profit, royalty, or other financial benefit arising from the commercialisation of the Dataset or any derivative works, regardless of the volume or value of Your contributions.
8.6. Research Ethics. We are committed to conducting research in accordance with established ethical standards. The research protocol is documented separately and available upon request.
Back to top9.1. The Service uses artificial intelligence and machine learning technologies to analyse video recordings and identify playing cards. You acknowledge that:
9.2. Video recordings may be processed by third-party AI services (including but not limited to Anthropic's Claude API). By using the Service, You consent to Your video recordings being transmitted to and processed by such third-party services in accordance with their respective terms and privacy policies.
9.3. Video Anonymisation for Research. Video recordings may be anonymised (faces and identifiable features removed or obscured, if any) and supplied to third-party researchers for additional research purposes, including computer vision research, card recognition AI training, and shuffle technique analysis. Anonymised videos are stripped of all metadata linking them to Your identity.
Back to top10.1. To protect the scientific integrity of the Dataset, We employ various anti-cheat and quality assurance measures, including but not limited to:
10.2. Submissions that trigger anti-cheat measures may be flagged, quarantined, excluded from the Dataset, or deleted at Our sole discretion.
10.3. Users whose submissions are repeatedly flagged or who are found to have submitted fraudulent content may have their accounts suspended or permanently terminated without notice or refund.
10.4. You acknowledge that anti-cheat measures may occasionally flag legitimate submissions (false positives). While We endeavour to minimise such occurrences, We accept no liability for any submission that is incorrectly flagged or excluded.
Back to top11.1. THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, AND ACCURACY.
11.2. Without limiting the generality of the foregoing, We do not warrant or represent that:
11.3. Any reliance You place on information or results provided by the Service is strictly at Your own risk.
11.4. We do not guarantee the security of Your data. While We implement reasonable security measures, no method of transmission over the Internet or electronic storage is 100% secure, and We cannot guarantee absolute security.
11.5. Nothing in the Service constitutes, or is intended to constitute, professional, scientific, mathematical, financial, legal, or any other form of advice. The Service is provided for research, educational, and entertainment purposes only.
Back to top12.1. Nothing in these Terms shall exclude or limit Our liability for:
12.2. Subject to Section 12.1, We shall not be liable to You, whether in contract, tort (including negligence), breach of statutory duty, or otherwise, for any:
12.3. Subject to Section 12.1, Our total aggregate liability to You in respect of all losses arising under or in connection with these Terms, whether in contract, tort (including negligence), breach of statutory duty, or otherwise, shall in no circumstances exceed the greater of: (a) GBP 100 (one hundred pounds sterling); or (b) the total amount paid by You to Us (if any) in the twelve (12) months preceding the event giving rise to the liability.
12.4. You acknowledge that the Service is provided free of charge and that the limitations of liability in this Section 12 are reasonable in light of the free provision of the Service.
12.5. We shall have no liability to You for any loss or damage arising from:
13.1. You agree to indemnify, defend, and hold harmless the Company, its officers, directors, employees, agents, affiliates, successors, and assigns (collectively, the "Indemnified Parties") from and against any and all claims, demands, actions, proceedings, liabilities, damages, losses, costs, and expenses (including reasonable legal fees and court costs) arising out of or in connection with:
13.2. This indemnification obligation shall survive the termination or expiration of these Terms and Your use of the Service.
13.3. We reserve the right, at Your expense, to assume the exclusive defence and control of any matter for which You are required to indemnify Us, and You agree to cooperate with Our defence of such claims.
Back to top14.1. We may suspend or terminate Your access to the Service, in whole or in part, at any time and for any reason, including but not limited to:
14.2. You may terminate Your account at any time by contacting Us at contact@52shuffled.com. Account termination does not affect the licence granted in Section 6.2, which survives termination.
14.3. Upon termination:
15.1. We reserve the right to modify these Terms at any time. We will notify You of material changes by posting the updated Terms on the Service with a new "Last Updated" date and, where practicable, by email to the address associated with Your account.
15.2. Changes will take effect immediately upon posting unless otherwise stated. Your continued use of the Service after the posting of any changes constitutes Your acceptance of such changes.
15.3. If You do not agree with any modification, Your sole remedy is to stop using the Service and terminate Your account.
15.4. No modification to these Terms shall affect the validity of the licence granted in Section 6.2 with respect to User Content submitted prior to such modification.
Back to top16.1. The Service may contain links to, or integrate with, third-party websites, services, or applications, including but not limited to authentication providers (Google, Apple), cloud storage services (DigitalOcean), AI processing services (Anthropic), and analytics providers.
16.2. We do not control, endorse, or assume responsibility for any third-party services. Your use of third-party services is at Your own risk and subject to the terms and conditions of those third parties.
16.3. We shall not be liable for any loss or damage arising from Your use of, or reliance on, any third-party services.
Back to top17.1. We shall not be liable for any failure or delay in performing Our obligations under these Terms where such failure or delay results from any cause beyond Our reasonable control, including but not limited to: acts of God, natural disasters, pandemic, epidemic, war, terrorism, riot, civil unrest, government action, labour disputes, power failures, internet or telecommunications failures, cyberattacks, or failures of third-party services.
17.2. If a force majeure event continues for a period in excess of ninety (90) days, either party may terminate these Terms by giving written notice to the other party.
Back to top18.1. If any provision of these Terms is held to be invalid, illegal, or unenforceable by any court or tribunal of competent jurisdiction, that provision shall be modified to the minimum extent necessary to make it valid, legal, and enforceable, or if such modification is not possible, shall be severed from these Terms.
18.2. The invalidity or unenforceability of any provision shall not affect the validity or enforceability of the remaining provisions, which shall continue in full force and effect.
Back to top19.1. No failure or delay by Us in exercising any right, power, or privilege under these Terms shall operate as a waiver thereof, nor shall any single or partial exercise of any such right, power, or privilege preclude any other or further exercise thereof or the exercise of any other right, power, or privilege.
19.2. A waiver of any right or remedy under these Terms or by law is only effective if given in writing and signed by Us. Any such waiver shall apply only to the circumstances for which it is given and shall not be deemed a waiver of any subsequent breach or default.
Back to top20.1. These Terms, together with the Privacy Policy and Terms of Use, constitute the entire agreement between You and the Company with respect to Your use of the Service and supersede all prior or contemporaneous communications, proposals, and agreements, whether oral or written, between You and the Company relating to the Service.
20.2. You acknowledge that You have not relied on any representation, warranty, or undertaking that is not set out in these Terms.
20.3. Nothing in this Section shall exclude liability for fraud or fraudulent misrepresentation.
Back to top21.1. You may not assign, transfer, sublicence, or otherwise dispose of any of Your rights or obligations under these Terms without Our prior written consent.
21.2. We may assign, transfer, sublicence, or otherwise dispose of any or all of Our rights and obligations under these Terms, in whole or in part, at any time without notice or consent, including but not limited to in connection with a merger, acquisition, corporate reorganisation, or sale of all or substantially all of Our assets.
Back to top22.1. These Terms and any dispute or claim arising out of or in connection with them or their subject matter or formation (including non-contractual disputes or claims) shall be governed by and construed in accordance with the laws of England and Wales.
22.2. Subject to Section 23 (Dispute Resolution), the courts of England and Wales shall have exclusive jurisdiction to settle any dispute or claim arising out of or in connection with these Terms or their subject matter or formation (including non-contractual disputes or claims).
22.3. If You are a consumer, You will benefit from any mandatory provisions of the law of the country in which You are resident. Nothing in these Terms affects Your rights as a consumer to rely on such mandatory provisions of local law.
22.4. If You are a consumer resident in the European Union, You may also bring proceedings in the courts of the EU Member State in which You are domiciled.
Back to top23.1. Informal Resolution. Before initiating any formal dispute resolution proceedings, You agree to first contact Us at contact@52shuffled.com and attempt to resolve the dispute informally for a period of at least thirty (30) days.
23.2. Mediation. If the dispute cannot be resolved informally, either party may propose mediation in accordance with the Centre for Effective Dispute Resolution (CEDR) Model Mediation Procedure. Unless otherwise agreed, the mediation shall take place in London, England.
23.3. Litigation. If mediation is unsuccessful or not pursued, either party may bring proceedings in the courts of England and Wales in accordance with Section 22.2.
23.4. Class Action Waiver. To the fullest extent permitted by applicable law, You agree that any dispute resolution proceedings will be conducted only on an individual basis and not as a class, consolidated, or representative action. You waive any right to participate in a class action or class-wide arbitration.
23.5. Time Limitation. You agree that any claim or cause of action arising out of or relating to these Terms or the Service must be filed within one (1) year after such claim or cause of action arose, or be forever barred.
Back to top24.1. If You have any questions, complaints, or concerns about these Terms or the Service, please contact Us at:
24.2. We will endeavour to respond to all complaints within fourteen (14) business days of receipt.
24.3. If You are a consumer in the European Union, You may also use the European Commission's Online Dispute Resolution platform at https://ec.europa.eu/consumers/odr.
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