fifteen years and I read the paper maybe about five times now and I still have no idea what it's doing right this is something so complex piece of code that David loathes good friend David will tell you this himself it took David literally ten years I'm knocking he's he'll say 10 years himself of you know filling with pieces of the code in order to come up with the SIP feature which works pretty well but you know you have to ask is there a better way to design features than this that's vision how about audio same thing