Gone are the days when we used to run to the marketplace to buy the products of our choice. You might have been to a marketplace for several times. You may have certain favourite shops for some particular products which you would have selected after many trials and errors. Now, things have changed globally and things are developing to change in India. We are frequently using Internet for buying products and services. On the Internet the products are displayed in a beautiful way and its specifications are described. There is no room for any confusion. There are certain agencies which are making online advertising a reality in a country like India. These agencies may be called online advertising agencies or online ad agencies.

The online advertising agencies help in the development of the scope of Internet marketing. There are different forms of internet marketing like search engine marketing, e-mail marketing, affiliate marketing, blog marketing, viral marketing etc. These all are clubbed together to be known as Internet Marketing. There are various forms of advertisement over the Internet like textual ads, banners, e-mails, spam mails etc.