The digital revolution has greatly influenced communication, meaning a current, analytical examination of changing literacy skills is needed. Becoming literate in today's world requires an understanding of traditional and electronic messaging venues in order for communications to not be misled by unrecognized influences. This book examines changes in the concept of literacy, including, the specific characteristics of evaluation literacy, predictors of literacy efficiency, the nature of audiences and users, and ethical concerns. It also examines the implications and applications for instruction, assessment, and professional development.