Feel like you’re living in the 21st century in one of the only ways that isn’t guaranteed to make you depressed!
We may not have ended up in the timeline where humanity’s increased knowledge and productivity actually decreased suffering and expanded meaningful pursuits - but hey, at least this timeline has toothbrushes that go vroom!
Also, guaranteed to make you feel like a pathetic little medieval peasant if you ever run out of battery and have to revert to using a regular toothbrush again!