The hidden arrow in FedEx's logo may be the result of an accident, but it has been admired as a pinnacle of graphic design ever since its creation in 1994.
원문출처 : https://www.cnn.com/style/article/hidden-designs-famous-logos/index.html
원문출처 : https://www.cnn.com/style/article/hidden-designs-famous-logos/index.html