D v c stands for data version control, which to me is just mind blowing good. It does exactly what it says, under cover, you just builds a dag of some datea pipe line and then controls it with git. That rery, nice. Yer crect, fantastic. Fantastic. And you've olvsee, hav qui love experience with sofare. Is there any particular softar that acupic current, or could be, that you've used in the past, that is your favourite softwere?