Yeah.
Okay .
Which is participant four. So just trying to answer all the questions , if the user would be happy to have something or something else uh. We've made a study , so could you go to next slide.
Sorry for the functional recurrence. So that's the standard method for marketing , okay. We had one hundred subjects , um , we observe their remote control use in a lab and then after all the experiments they had to fill up a questionnaire , um , and see what was okay or not for them.