"Water, water everywhere, but not a drop to drink." -S.T. Coleridge We are adrift in a sea of data that is no good to us if we cannot understand it. Interacting with this data in a useful manner has become not only a daunting task but almost impossible without the use of data visualization to make sense of it. Web designers, interaction professionals and market researchers need to understand how they can utilize these visualizations to communicate the power of the data and how it can shape decisions and drive usage. Readers will learn how data visualization is essential to finding trends and information and how it is currently being applied in web development, healthcare, games, and market research. Readers will literally see with the many full-color examples how data visualization helps the reader to understand data visualization concepts. After reading this book the audience will know what data visualization really is, why they should care about it, and how they can use visualization to present lots of info to a variety of consumers, users, or colleagues. Demonstrates, with a variety of case studies, how visualizations can foster a clearer and more comprehensive understanding of data Answers the question, "How can data visualization help me?" with discussions of how it fits into a wide array of purposes and situations Makes the case that data visualization is not just about technology; it also involves a deeply human process