Those links are both great! The video is pretty feel-good and seems like a fun community-building event. From the NPR article, I especially liked seeing this:
On low, the crock pot uses about 125 watts, which for a month costs about $20
That's pretty cheap, though I've always done it by reheating each day.
And a reminder of another thread where we talked about it:
https://permies.com/t/204592/Perpetual-stew-friends