However, the series spawned more than 100 different licenses, and led its time slot for two years.
In some countries the driver may need to have a different driving license to that of a car license.
Though it exists since the end of 2009, the first public release was in July, 2012 when the current three different licenses were made available.
Due to the success that followed, Simpson began adding on, which resulted in the brand's current 22 different licenses.
Just getting a copier was an exercise in frustration that required three different licenses, he said.
He has fifty different licenses, including one for boxing.
The 50 states and various other agencies have issued more than 150 different licenses.
Free information exchange between the two related projects is complicated by the different licenses attached to the content.
Commercial implementations are available, and offered under many different licenses.
Previously, the licensing process had two steps, construction and operation, each of which required a different license to be issued.