so what you want to be able to do is have the cross-functional team that has permission to test reallieran affect growth. and yeah so that's the big benefit is that by having this cross-functional team, it includes marketers, potentially designers, engineers. data. a data analyst. but being able to bring together a group of these skills that have permission to test acrosser in in the business to drive growth can be really effective for being able to unlock growth in areas that maybe are a little less obvious than just going out and spending more money on advertising. >> the other two is optimize full customer journey and test across all growth levers. it sounds to me that when you were talking about this, you were talking as much about a mindset as anything else. does that -- >> there's definitely a mindset. it's this continuous improvement mindset where you know everything that you're doing, particularly when it comes to optizati optmization, there's a better way to do it. and to see what the impact from that testing is on your north star metric. so any test that expands value being del