Near the upper-right corner of every page is the navigation menu. Use it turn the page.
 When an image appears at the upper-right corner of a paragraph in this book, you may click on it to access optional information. If the information is required as part of the reading experience, the link appears in text by itself as the next paragraph.
 The web address of every page in this book includes its creation date, which does not invalidate the information found on the page. At the end of the URL is the phrase, “XOX CAM”, which should not appear in the title of the page.
 The section, Practical Steps, should be found at the bottom of every page.
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