Mass communication refers to the flow of information via mass media. The aim of such communication is to pass on significant information at the same time to people across the globe. Print media such as newspaper and magazines, broadcast media such as radio and television, digital media such as mobile communications and Internet, and outdoor media such as billboards and placards are the most common forms of mass media used for communication. There has been rapid progress in this field and its applications are also increasing. Some of the diverse topics covered in this book address the varied branches that fall under this category. It will prove to be immensely beneficial to students and researchers in this field.