Effective Date: January 10, 2026

Lab Yesterday (hereinafter referred to as the "Company") values the personal information of its members and complies with relevant laws and regulations, including the "Act on Promotion of Information and Communications Network Utilization and Information Protection."

1. Items of Personal Information Collected and Collection Method

The Company collects the following personal information for membership registration, consultation, and service application.

• Collected Items:

  • Required: Email address, Name (Nickname), Birth Date, Login ID (Social Login Identifier)
  • Automatically Collected: Service usage records, access logs, cookies, access IP information, device information (model, OS version, etc.), Advertising Identifier (IDFA/ADID)

  ※ This service uses Google AdMob SDK for advertising, and advertising identifiers and device information may be collected during this process.

• Collection Method:

  • Automatically collected upon app registration and execution
  • Information entered when using generative AI services

2. Purpose of Collection and Use of Personal Information

The Company uses the collected personal information for the following purposes.

• Fulfillment of Contract and Payment: Provision of content, purchase, and fee payment
• Member Management: Identity verification for membership services, personal identification, prevention of unauthorized use by bad members, confirmation of intent to join, handling of complaints, and delivery of notices
• Marketing and Advertising: Development of new services (products), analysis of access frequency, and statistics on member service usage
• Provision of Service: Generation of age-appropriate news content and provision of personalized services

3. Provision of Personal Information to Third Parties and Entrustment

The Company entrusts personal information as follows to improve services.

• Trustee: Supabase Inc.
• Task: Database storage and management, provision of authentication services
• Trustee: Google LLC (AdMob)
• Task: Provision of personalized advertisements and analysis of advertising performance

4. Retention and Use Period of Personal Information

In principle, after the purpose of collecting and using personal information is achieved, the information is destroyed without delay. However, the following information is retained for the specified period for the reasons below.