The content of this book is consisted of four main matters. First the necessity of innovation adoption is discussed, particularly in the new millennium both in developed and developing countries. Then the concept and some important models regarding innovation adoptions are shown. The researches regarding the subject also are reviewed. The innovation dissemination theory is scanned as s the third part of the book by the authors. Finally a case study which has been down as an academic dissertation in an Iranian company is reported. ukryj opis