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.
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