Found it: this was Pascal van Kooten on Podcast.\__init__: https://www.pythonpodcast.com/nostalgia-personal-data-repository-episode-248/
He was talking about his project Nostalgia: https://nostalgia-dev.github.io
There actually does seem to be quite a bit of overlap between what he's talking about and what @simon has done with datasette and dogsheep.
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.