Push Square: "The number four is unlucky in Japan. The figure is pronounced “shi” in the land of the rising sun, which is the same as the word for death. As a result, many hospitals prefer to ignore the digit, skipping the integer when naming room and floor numbers. Furthermore, there are no seats with the numeral on passenger planes of the All Nippon Airways, the nation’s largest airline. The question is: could superstition play a part in the naming of the next PlayStation?"