Book excerpt: The explosive growth of multimedia data on the web creates significant opportunities for multimedia advertising. Multimedia content becomes a natural information carrier for advertisements and business models that freely distribute multimedia contents and recoup revenue from multimedia advertisements that have emerged in large numbers. Online Multimedia Advertising: Techniques and Technologies unites recent research efforts in online multimedia advertising. This book include introductions to basic concepts and fundamental technologies for online advertising, basic multimedia technologies for online multimedia advertising, and modern multimedia advertising schemes, theories and technologies.