Don't underestimate the effectiveness of prototyping. Too often the advantages of prototyping an invention are generally played down or completely ignored when "experts" take to the matter. But turning your idea in to a product sample is among the most important a part of inventing. And if you're not convinced http://emiliocyun94826.thezenweb.com/Why-Prototype-Your-Invention-Five-Reasons-To-Make-your-Idea-31367699