Martin, a digital media marketing consultant and the author of several business books, presents this guide to marketing in the mobile era. The work outlines the emerging technologies for mobile marketing examining the rise of smart phones, the development of business "apps", consumer engagement through social media and the rules of SMS and email marketing in the mobile arena. The volume includes both general marketing principles as well as practical information on specific applications and technologies. Annotation ©2011 Book News, Inc., Portland, OR (booknews.com)