There's a real science to listening, right? And follow up prompts. But say more about that. You don't want to interrupt the customers when they're speaking. Do you even know what net promoter score is? Net promoter score is very, very simple. People who score a nine or a ten are considered promoters. That's why they're enthusiasts. They'll tell you about it. Passives square to seven or eight. These are people like gogle home. Iean, i went off on google home. Compared to nest, i was a promoter of nest products because they were so easy to use and they worked but then Goggle Home turned us all into detractors. So