nostr:npub1wmr34t36fy03m8hvgl96zl3znndyzyaqhwmwdtshwmtkg03fetaqhjg240 has been pretty bloody good. Depends on content/topic tho a little. How technical vs not
Discussion
I do technical talks, just at nostr conferences there are lots of good technical talks so I focused on nostr overall.
Here are my old decks. https://www.slideshare.net/rabble/presentations
Including the one I gave on mobile activism a couple weeks before twitter was created.