Digital Multimedia Encyclopedia
World Book Encyclopedia is also published in electronic form for Microsoft Windows and Apple's Mac OS X. Electronic editions contain the entire text of the 22-volume World Book Encyclopedia, plus illustrations, video clips, 3D panoramic views, and sounds. The articles bring together a complete story, multimedia content, an article outline, research aids and links to related information. Online updates to articles and Month in Brief time browser are available by subscription.
Apple included a bundled copy of the Mac OS X Edition of World Book Encyclopedia when they made OS X the default operating system for all new computers. This edition had some Mac-only features including a more intuitive user interface, Sticky Notes sharing via Bonjour technology, Trivia Challenge game, collection of editor-approved webcams, Notepad, Speech capabilities, "This Day in History", "Media Showcase" and "Librarian" widgets.
Since November 2007, both Windows and Mac electronic editions of World Book encyclopedia are developed and published by Software MacKiev.
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