HANDHELD ELECTRONIC DEVICE FOR RENDING IMAGES IN MORE THAN ONE DISPLAY FORMAT, FOR VIEWING AND EDITING RENDERED IMAGES, AND FOR ANNOTATING RENDERED IMAGES; HANDHELD ELECTRONIC DEVICES FOR ENABLING MULTIPLE USERS TO INTERACT COLLABORATIVELY WITH CONTENT; HANDHELD ELECTRONIC DEVICE FOR DOWNLOADING CONTENT FROM AN ELECTRONIC STORE, FOR SHARING CONTENT OR ANNOTATIONS WITH OTHER HANDHELD ELECTRONIC DEVICES, AND FOR VIEWING WEBSITES; AND HANDHELD ELECTRONIC DEVICE FOR PROVIDING ACCESS TO A WEBSTORE DATABASE OF CONTENT AND ENABLING DOWNLOADING OR SHARING OR CONTENT, NAMELY, BOOKS, TEXTBOOKS, MAGAZINES, NEWSPAPERS, DIGITAL MEDIA, AND ANNOTATIONS

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