The essential interaction design guide, fully revised andupdated for the mobile age About Face: The Essentials of Interaction Design, FourthEdition is the latest update to the book that shaped andevolved the landscape of interaction design. This comprehensiveguide takes the worldwide shift to smartphones and tablets intoaccount. New information includes discussions on mobile apps,touch interfaces, screen size considerations, and more. Thenew full-color interior and unique layout better illustrate moderndesign concepts. The interaction design profession is blooming with the successof design-intensive companies, priming customers to expect "design"as a critical ingredient of marketplace success. Consumers havelittle tolerance for websites, apps, and devices that don't live upto their expectations, and the responding shift in businessphilosophy has become widespread. About Face isthe book that brought interaction design out of the research labsand into the everyday lexicon, and the updated FourthEdition continues to lead the way with ideas and methodsrelevant to today's design practitioners anddevelopers. Updated information includes: Contemporary interface, interaction, and product designmethods Design for mobile platforms and consumer electronics State-of-the-art interface recommendations and up-to-dateexamples Updated Goal-Directed Design methodology Designers and developers looking to remain relevant through thecurrent shift in consumer technology habits will find AboutFace to be a comprehensive, essential resource.