Any business has to promote itself well. With advancement in techniques, people are coming out with new and stunning ideas for promoting the businesses. Optical illusions are no more only for fun. Using optical illusion ideas, the artists are creating some masterpieces and these are making the onlookers spell bound. A cleverly created optical illusion attracts the attention of the audience effectively. The basic requirement of any business is to create a huge number of prospective clients so that they can be converted into actual customers. Billboard optical illusions are the best way to catch the eyes of the viewers in large scale. These bill board optical illusions are combined with an intelligent message and are an effective way to reach the onlookers. With billboards getting more and more popular items to capture the attention of the motorists and pedestrians, designers are looking for some creative ways to design billboards so that the messages can reach the viewers very fast. Optical illusions bill boards can be seen in various places. Optical illusions are the visual illusions that are created naturally or could be made by humans. When optical illusion happen, the image of any object is perceived in a way that it does not match with physical attribute of the actual object. More and more artists are coming out with unique ideas with billboard optical illusions to help the companies in promoting their brands. Starting from Red Cross to Hollywood movies, optical illusions have found place everywhere.