What logos design include hidden messages?

first of all you should know the meaning of hidden message in the logo designing. It is also called negative space in the design. This is basically applying creatively any picture, alphabet, number or like anything in the logo. Most of the times, these objects are usually kept inside, beside, background or round the main subject of designing. In colorful designs, the artists take help from the colors to include some hidden thing in the logo. However, in black & white logos, the colors are not included. The silhouettes are made in such a way that black colored objects made a solid shape. In these designs you might not find a clear message, but a closer look will guide you what the logo is saying.you can look at this site it will help you  alot  : http://webdesignledger.com/inspiration/15-logos-with-hidden-messages