Infographics are cool. Taking the art of design and the science of research and combine them into on all encompassing (and usually very tall) graphic display. Infographics are a designers dream, as they allow us to present complex information in an easy to follow and understand visual plane. Take heed though, your beautiful infographic can go out of date very quickly, keep them up to date and they will serve you well. If you have complex ideas to express to your target market, or you have a tonne of hard data to present, infographics are for you.
The Godfather of infofgraphics: http://en.wikipedia.org/wiki/Edward_Tufte
Here is a link to some great tools for creating infographics yourself: