I would like an (automated) “IMDB for Podcasts.” Specifically, I would like to be able to find, and be notified of, every podcast where a given person speaks.

I would like an (automated) “IMDB for Podcasts.” Specifically, I would like to be able to find, and be notified of, every podcast where a given person speaks. Similarly, I’d like automated data on what ads are run/read. Essentially, I’d like rich automated metadata, in addition to timestamped transcripts.