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Our Web site and courses have many powerful features that often are not obvious, even to experienced Web users. We strongly recommend that you occasionally review the tutorial to learn how these features can enhance your learning experience, to learn about features that may have been added, and to remind yourself about features that you may have been overlooking.

The course screen contains many alternative methods for navigating the course segments, viewing exhibits, searching within the course, controlling presentation of video, audio, printed transcripts, taking notes, and checking your progress.