What is the most likely significance of the tagline “The Greatest Snow on Earth”? It is a play on the words “The Greatest Show on Earth,” suggesting that the snowfall is so spectacular it is like a performance. It is a reference to a scientific fact that Utah has far superior snow to any other state. It is a simple statement meant only to convey that Utah thinks it has better snow than anyone else. It is in the ad so that viewers will understand and appreciate snowflakes.