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These solutions (tablets, e-readers, etc.) offer internet access, simplify content sharing, and allow for effortless collaborative annotation. Screen-based devices, which are used to consume rich digital content, provide attractive alternatives to paper-based information. However, the value of paper and printed information is challenged by the rich features offered by digital media. In addition, the visual fatigue caused by screen-based electronic devices often drives people to the use of paper for longer reading sessions. This has also been linked to the use of physical paper for training from a young age, which is the default media in schools. Research also suggests that the better positional indexing and improved reading experience of paper-based books improves memory and recollection of information. For example, reading printed content on paper offers better comprehension, improves browsing and bookmarking, allows for free-form annotations, and improves collaboration. Paper's unique physical feel improves various aspects of reading against the equivalent digital experience.
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The optimal realization is found to be a reflective optical readout array, for which routes to implementation that may allow blending the graphical and functional aspects of the augmented book are proposed. Three alternative solutions are implemented, with various degrees of ease of use, manufacturability at scale, and reliability of data reading. Herein, the Magic Bookmark, a technical solution for automatically recognizing the open page of a physical book, to provide seamless augmentation without changing the user's behavior and experience significantly is introduced. The current state of the art addressing this application negatively impacts the reading experience and often does not consider the manufacturability and sustainability of the proposed solutions. By combining the two types of media in a seamless way, the interactivity of multimedia content can complement the reading experience, maintaining the unique feel of paper books.
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However, digital media and information are more engaging, diverse, and up to date, thereby challenging the existence of paper in our everyday life. The use of physical paper is often preferred due to its unique physical properties that improve various aspects of reading.