After I gave my talk at RubyKaigi, people told me that it went well. While I believed them, I really wanted to see how it went for myself. Fortunately, the talks were recorded, and have since been posted to Youtube. I'm reasonably happy with my performance!
My talk's video has actually been available on YouTube for a little while now, but I held off posting it until our Technology Preview was back in action, which happened last week.
The slides are re-embedded below: