This idea of exaggeration is not new or unusual. There are two professions whose business it is to make us remember and they use this principle in doing it. They are the advertiser and the cartoonist. You have seen this same exaggeration of proportion in nearly every cartoon, but you think nothing of it. The cartoonist, however, knows that he can make a stronger impression upon your mind by its use. You remember the cartoon longer and recall it more easily than most anything you read. One of the largest advertising companies of the country makes the statement, "A picture is worth a thousand words when it comes to making the public remember." Some of the most successful advertising campaigns have been largely confined to pictures. Almost without exception pictures drawn for advertising purposes take advantage of this principle and strongly exaggerate the proportions. You have seen this in the pictures used by the Goodyear Tire Company, the Bell Telephone Company, and many others. It is illustrated in the picture given here. [Illustration] The Second Aid--Motion You often pass a thing that is motionless without notice, but if it moves it attracts your attention. While walking down the city street you pay little attention to the show windows, but if there is something moving in one you will stop to notice it. The sidewalk will even be blocked by the simple motion of some thing in the display. This is the use of motion to impel your attention. If you are in a crowd and see a friend whose attention you wish to attract, you wave your hand or handkerchief. Children like to see "the wheels go 'round," and we never lose the fascination which motion has for us. A person lacking in the power of concentration will fix his closest attention upon the moving picture or object. Just as the motion picture is more attractive than the old style stereopticon, so motion introduced into the visual pictures for memory purposes will increase the impression upon the brain and increase your ability to recall it. [Illustration] To still further strengthen the impression of the House, see it in motion instead of standing still. See it on wheels moving down the street or blown from the foundation by a strong wind. The farther you see the object move, or the more rapid the motion, the stronger the impression. Third Aid--Unusual Associations [Illustration]