Edit: I could not find similar to here: https://developer.apple.com/videos/wwdc2018/
https://asciiwwdc.com/2018/sessions/111
The engineer's name is Danielle Feinberg and she did a similar TED talk two years before WWDC (even the titles are similar).
https://www.youtube.com/watch?v=Z1R1z9ipFnM
Edit: I could not find similar to here: https://developer.apple.com/videos/wwdc2018/