The phrase 'game-changer' is so overused in the media that it has almost no meaning in reality. The former mayor of New York City may restore the phrase.
Massachusetts was the first state to issue regular license plates on September 1, 1903. The American vanity plate was born in 1965 when states began allowing drivers to customize their own AW-SUM plates.
Of course, you pay extra to have your own choice of letters, numbers, phrases and such...