Gizmodo Japan ( https://www.gizmodo.jp/ operated by Mediagene TNL Mediagene (NASDAQ: TNMG), will release "GIZMODO Tech Secret Book," a practical educational book that uses knowledge of the latest technology to solve everyday problems and challenges, on Friday, December 19, 2025.

Background to the publication of this book
Modern life is deeply dependent on technology such as smartphones and networks, and there are increasing cases where small issues such as a dead battery, a malfunctioning Wi-Fi connection, a failed transportation IC card touch, or wireless earphones getting submerged in water can lead to ``digital crises'' that bring daily life to a halt.
In fact, the troubleshooting tips and insider techniques for using digital devices and gadgets that Gizmodo Japan publishes daily are as popular as product reviews, clearly demonstrating that readers have a strong desire for "technology knowledge that is useful in real life."
To meet these needs, this book presents everyday problems as a labyrinth, presenting knowledge and wisdom in a story-like format that is easy to read and enjoyable.It is truly a book that can be used as a "survival skills book for every household."
■Contents of this book
This book clearly introduces the troubles that everyone will face in their daily lives, divided into seven "labyrinths" by theme.
We will cover "digital crises" that can occur in any aspect of our lives, such as a dead smartphone battery, worries about managing photos or posting on social media, troubles while commuting to work or school, decreased work efficiency, problems with household chores or everyday items, unexpected problems outdoors, and worries about money and security.
Each chapter explains the mechanisms and causes of problems from a technological perspective, and provides specific solutions and tips for preventing problems before they occur.
The story-based structure allows you to acquire knowledge that is useful in real life while having fun.
<Chapter structure>
First Labyrinth: The Cave of Zero Smartphone Lives
The second labyrinth: the phantom corridor of photos and social media
The Third Labyrinth: A Real-Life Escape Maze for Commuting to Work or School
The Fourth Labyrinth: The Final Dungeon of Work and Study
5th Labyrinth: Household & Daily Life Quest
The 6th Labyrinth: Outdoor Field for Outings and Outdoor Activities
The Seventh Labyrinth: Money and Security Defense Fortress
This book is both practical and enjoyable to read, showcasing how technology can smoothly solve everyday problems.
■Bibliographic information
Title: GIZMODO Tech Secret Book
Author: Gizmodo Japan
Cover illustration: Kaneko Nanpei
Release date: Friday, December 19, 2025
Price: 1,650 yen (1,500 yen + tax)
Specifications: 144 pages
ISBN: 978-4594101466
Published by: Fusosha
This book will be available at bookstores nationwide from Friday, December 19th.
*Arrival dates may vary at some stores.
Amazon purchase page: https://amzn.asia/d/1gGy7sz
▼ About Gizmodo Japan
Gizmodo Japan is a technology media outlet that presents the novelty and context of products and experiences. Through product reviews, the latest news, and creator interviews, Gizmodo helps users discover new values. Additionally, the YouTube channel operated by Gizmodo distributes a wide range of videos, including product reviews by editorial staff, developer interviews, and technology commentary.
Website URL: https://www.gizmodo.jp/
YouTube: https://www.youtube.com/user/gizmodojapan
ikTok: https://www.tiktok.com/@gizmodojapan
X: https://twitter.com/gizmodojapan
Linktree: https://linktr.ee/gizmodojapa n
About Mediagene Inc.
We operate a total of 17 brands, including 14 media outlets aimed at target communities, such as the economic media for millennials `` Business Insider Japan ,'' the technology and product information media `` Gizmodo Japan ,'' the community and media outlet `` Mashing Up '' that paves the way for an inclusive future, and the gadget-specialized crowdfunding service ` Machi-ya ,'' as well as three Commerce services.
[Inquiries regarding this matter]
Mediagene Corporation Public Relations Officer