Amazon.com description: Product Description: As we all know that, products and services changes with demand and so does the marketing techniques. Previously print media, radio and television were considered to be the sources of marketing but now with the advent of internet, online marketing is flourishing day by day and is becoming the fastest and the inexpensive source of sharing information almost everywhere around the world. As internet is evolving as a social web site with interactive communication, internet marketing has gained popularity. Various statistics reveal that online advertising has grown to be worth tens of billions of dollars annually, in just a few years.