Liscenses IMHO SUCK! You don't then own them and can't use them as you feel is safe. Yes, some of the programs do cool routing but that is program dependent, not chart. To take something from any governement that tax payers paid for, then sell it to a consumer is for me a type of theft. Design the program how you want, make it damn good. Sell data you have collected if you want but don't require me to use the data with the chart. I don't have to buy Shell gas to use in my Lexus! Damn glad the automanufacutres and the oil companies aren't one and the same.
Just my 2 cents.