7 years in the auto industry has taught me that to re-invent a wheel is not enough. To be widely adopted that wheel has to fit existing axles, fenders, and suspensions as well as be familiar enough to mechanics -- with their tools -- who are ultimately the best salespeople of aftermarket equipment.
Do you have switch and output compatability modes to plug into code that already uses DD or DD? *hint* *hint*
Oh and if anyone is wondering what the RT means in the variable names, it stands for root.
Then waste the two bytes and call it root. :)