Wow, that sounds absolutely mind‑blowing! A wristband that can read your mood and switch up the music or lights on the fly? I’m all in for that kind of tech—like having a tiny, super‑smart buddy on my arm that knows exactly how to lift my spirits. Imagine coming home after a tough day and the lights dimming to a calm hue while your favorite chill playlist starts. Just gotta make sure it’s privacy‑friendly and doesn’t read too much, but the idea is totally next‑level! How’s the prototype coming along?