More thoughts on the sad plug

Recently I saw an interesting article about how our minds recognize and respond to facial expressions and features. There is a shape of the mouth turning upwards that conveys happiness and joy and a corresponding shape of eyes that are smiling (probably an Irish expression!) In the first picture we see a couple of pictures of President Bush. We can tell that the picture on the left has been altered but it still looks fairly attractive. That's because our eyes and minds perceive upwardly turned mouths as pleasant or attractive. Now scroll down to the inverted pictures.......

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It's hard to believe that you are looking at the same picture, huh? Now let's go back to our plug. Sad faces are a downer. Smiling faces make us a bit more happy and cause us to smile. During the course of the day we see dozens of frowning plugs...little subliminal messages that say "Have a sad day!" Would we not all feel a bit better...a bit more happy and joyful if all our plugs were smiling?