Advertising through billboards are the best way to approach your audience. Billboards should be informative, graphic-oriented and convey the message in a creative and innovative way. Now the question is that how many billboards you notice while your way out? I think hardly few.. the reason not all the billboard are creative and innovative enough to grab your attention. Here is the collection of some the most innovative and brilliant billboards which not only grab your attention but also hard to forget them.