Which innovative retail concept did Amazon introduce in 2015 that bridged their e-commerce expertise with traditional bookselling?

The publishing and bookselling industry has undergone remarkable transformation in recent decades. From independent bookstores to giant retail chains to e-commerce platforms, the way literature reaches consumers continues to evolve through innovative retail strategies. Test your knowledge about groundbreaking retail innovations that have shaped how we discover, purchase, and consume literature in the modern age.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Amazon Books - physical bookstores using data analytics to curate inventory based on online sales patterns and reader preferences
Kindle Boutiques - standalone kiosks in shopping malls where customers could download e-books directly to devices
Prime Reading Rooms - subscription-based reading spaces where members could read unlimited books on-site for a monthly fee
Book Echo - voice-activated bookcases that would recommend and retrieve physical books based on verbal customer preferences