I hadn't been particularly enthusiastic about Go but in the end Rob Pike won me over - "Simplicity is Complicated":

https://www.youtube.com/watch?v=rFejpH_tAHM

A powerful talk on Silicon Valley history by Kelsey Gilmore-Innis - "What Tech Workers Can Learn From Harry Bridges":

https://www.youtube.com/watch?v=SRjJ4_QBdeQ