That is so awesome. I wish I had that 11 years ago during my Microsoft Research Internship. I had a NAO robot (from another great French company) and it walked to employees to motivate them to do some movements. To prevent long term injuries from being in the same position for too long. It had a visual compass but it didn't work. And just telling to "walk straight" clearly didn't work :D Here is the video in case someone is curious: https://www.youtube.com/watch?v=aZkmNqpJCcM&t=190s (and the paper: https://brandstetter.io/papers/Fidgebot_Working_Out_while_Wo...)