Woongjin Thinkbig Co., Ltd. Woongjin Thinkbig Co., Ltd. engages in the publishing and education services business primarily in South Korea. The company offers a comprehensive range of educational products and services including children's books, picture books, magazines, comics, encyclopedias, journals, and toys; on-site lectures and tutoring services such as Woongjin Smartall, AI Mathematics, and Matthew Feed; digital learning platforms incorporating AI reading tools, AR-enhanced paper books, and metaverse-based English speaking services like Lingo City (Ringo City); web novels and webtoons under brands including Fennecfox, ARC, and Studio Byd; workbook collections, Hangul learning materials, and personalized book curation through its Woongjin Book Club; as well as language learning solutions like thinkbig TOPIK for Korean proficiency tests and ThinkBig Topic available in seven languages. Founded in 1980 and headquartered in Paju, Gyeonggi Province, South Korea, Woongjin Thinkbig operates through multiple imprints such as Woongjin Junior for children's publications and extends its reach to adult education via platforms like Udemy partnerships, with subsidiaries supporting its diverse operations targeting children, students, and adults across domestic and select international markets including Vietnam, Japan, the United States, and Taiwan. Recent developments include the unveiling of generative AI-integrated metaverse platforms and AR book solutions recognized as innovative at CES 2025; strategic MOUs such as with VTC Online for Lingo City distribution in Vietnam; global expansions with AI reading platforms for picture books and adult content planned for 2025 launches; establishment of a joint venture with Naver Cloud for an academic cloud platform; increased ownership stakes via block deals; and involvement in Woongjin Group's acquisition of Freelife to build a total life care platform integrating education and other services.