Advertising is persuading audience to speed up profitable activity; it is because if an organization is offering a service or a product then it needs to be known otherwise due to the deficiency of information about the service or product the consumers may not be able to tap the supplier.
In this study of digital economics, the focal point is to highlight the economic activity that can be achieved through digital advertising and to distinguish the reliability, effectiveness and cost factors in a traditional advertising to that of digital advertising. The basic difference between the two classes of advertising is: in traditional advertising the advertising mediums are conventional such as newspapers, classifieds, magazines, periodicals, journals, billboards, posters, radio, physical mails, and televisions whilst on the other hand in digital advertising; all sorts of advertising which is done through the medium of websites, via internet and mobile phones are included. However digital advertising is not simple just because it focuses on web; however it is an emerging discipline and has several different areas in it.
Advertising can be made for other purposes in addition to business and economics; however in this study advertising is only discussed with the perspective of economics and commerce. In this study the elaboration is made on the limitations of traditional advertising coupled with study of cost factors involved in digital advertising.
US law firms are an example on the issue how are they targeting their audience, how digital advertising assist them to target only their desired customers and boost their economic activity.