The field of marketing used to be a matter of simple advertising but times have changed. Back in the day, best advertisement got the most sales but today's buyers are not so suggestible as in days of yore.
With the advent of Internet, even uneducated consumers have become wary of overt advertising. These days marketers have to appeal to a much more discerning base of buyers, and they also have to be able to demonstrate to their clients that the "newfangled" ways of marketing actually perform.
Data visualization is making the difference on both sides of this dilemma.
Data Visualization: the Breakdown
So what is data visualization? To answer that, we first have to answer the question, "what is data?"