Direct Marketing – How Online Media Have Revolutionized the Industry Journal title: International Journal of Current Science Research and Review Authors: Dr. K. R. Subramanian Subject(s): Agricultural Science, Plant Sciences, Economic Development, Technological Change and Growth, Medical Education , Business, Commercial, Consumer and Financial Law, Mathematical Modelling and Industrial Mathematics, Philosophy of the Social Sciences, Humanities, Multidisciplinary, Psychology, Multidisciplinary, Engineering, Multidisciplinary, Materials Science, Multidisciplinary