kindle X-Ray feature is so stupid? It gave me the spoiler on the very first page of the book. I never use this feature before. I don't know how significant this spoiler
Amazon、新機能「X-Ray」を日本語Kindle書籍に追加 アプリ版でも対応 | アプリオ
Kindle Features: Search, X-Ray, Wikipedia and Dictionary Lookup, Instant Translations
Kindle X-ray Enabled on Gryphon Titles – K. Vale Nagle
Kindleアプリに搭載された本の中身を可視化するX-Rayがなかなか便利♪|スーログ
Amazon Kindle Fire OS updated with FreeTime custom profiles, X-Ray for movies, and more - The Verge