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Terms of Service

Effective: 2026-05-20

1. Purpose

These Terms govern the rights, obligations, and responsibilities between singleSentence (the “Service”) and its members in the use of the single-sentence-based content curation service offered by the Service.

2. Definitions

  1. “Content” means an item registered by an operator in the form of a book, film, song, place, historical event, or date.
  2. “Sentence” means a single line of English text that a member writes for a Content.
  3. “Sympathy” means the one-vote-per-person expression of support that a member gives to a Sentence within a Content.
  4. “Operator” means a person who, under Service policy, holds the authority to register or delete Content and to moderate Sentences.

3. Effect and Changes to the Terms

  1. These Terms take effect upon being posted in the Service.
  2. The Service may amend these Terms within the limits of applicable law. Amendments will be announced in the Service at least 7 days before their effective date, or at least 30 days in advance if the amendment is materially disadvantageous to members.
  3. A member who does not agree to an amendment may terminate the user agreement by deleting their account.

4. Registration and Account

  1. Registration is completed after the member authenticates through an external OAuth provider such as Google, agrees to these Terms and the Privacy Policy, and provides required information such as a display name.
  2. Members may not transfer, lend, or share their account with others.
  3. Children under the age of 14 are not allowed to register. Accounts confirmed to belong to a child under 14 may be deleted after prior notice.

5. Use of the Service

  1. A Content holds at most 9 active Sentences at any given time, and a member may have at most one Sentence active per Content.
  2. Sympathy is a lifetime single vote per Content. A member may move that vote to another Sentence or cancel it.
  3. Every Monday at 00:00 (KST), the top 3 Sentences by Sympathy count remain active and the rest become inactive. Inactive Sentences are preserved but excluded from display and from receiving new Sympathies.
  4. Sentences cannot be edited or deleted after creation. A member who no longer wishes to have their Sentence displayed may request a Hide moderation from an Operator.

6. Member Obligations

  1. Members shall not write Sentences that infringe the copyrights or personality rights of others.
  2. Members shall not post profanity, discrimination, hate, advertising, or spam.
  3. Members shall not interfere with the normal operation of the Service (e.g., automation tools or circumvention).
  4. Members warrant that their Sentences comply with these Terms and the Service policies.

To report a third-party copyright infringement, follow the procedure on the Copyright Notice page.

7. Operator Authority

  1. An Operator may hide a Sentence that violates these Terms or applicable law without prior notice to the member; in that case, Sympathies on the affected Sentence are automatically released.
  2. An Operator may restrict the use of the Service by a member who repeatedly violates Service policy.
  3. All moderation actions are recorded in an internal audit log.

8. Service Suspension and Changes

  1. The Service may suspend or change all or part of the Service as necessary for system maintenance, incident response, or policy updates.
  2. Planned interruptions will be announced in advance; unplanned outages may be announced after the fact.

9. Account Deletion

  1. Members may request account deletion at any time.
  2. Upon deletion, account-identifying information is immediately erased, while Sentences the member wrote may remain on the Service in anonymized form. Specific handling follows the Privacy Policy.

10. Disclaimer

  1. The Service is not responsible for the content of Sentences written by members, but will review and act on reported inappropriate content within a reasonable time.
  2. The Service is not liable for damages arising from force majeure events such as natural disasters or outages of external services (Supabase, OAuth providers, AI translation APIs, etc.).

11. Dispute Resolution and Governing Law

  1. These Terms are interpreted under the laws of the Republic of Korea.
  2. In the event of a dispute arising from use of the Service, the parties shall make good-faith efforts to resolve it; failing agreement, the dispute shall be brought before the competent court under the Korean Civil Procedure Act.