19. The method claim 1 , wherein the first function is either a hash or digest function that produces unique hash or digest values for the unique binary signatures for the interactive broadcast data text descriptions.
19. The method claim 1 , wherein the first function is either a hash or digest function that produces unique hash or digest values for the unique binary signatures for the interactive broadcast data text descriptions. 20. The method of claim 19 , wherein the second function is either a hash or digest function that produces a unique hash or digest value for the unique binary signature for the user entered-text string.