Digital photography allows for immediate feedback, negligible costs compared to film, and easy sharing of photos. The document outlines the basics of digital photography with iPhoto: shoot photos with a digital camera, import photos into iPhoto, organize photos by making adjustments like changing titles and adding keywords, edit photos through cropping and adjustments, and share photos through printing, slideshows, emailing, or books. Tips are provided for composition, resolution, import settings, and backup strategies.