I like how "MIRI" is written on the whiteboard behind him (in all but the first videos).
(This comment in the spirit of ignoring core messages and focusing on some minor tidbit.)
The true message of the first video is even more subliminal: The whiteboard behind him shows some math recently developed by MIRI, along with a (rather boring) diagram of Botworld :-)
Nick Bostrom takes on the facts, the fictions and the speculations in the movie Transcendence:
Could you upload Johnny Depp's brain? Oxford Professor on Transcendence
How soon until machine intelligence? Oxford professor on Transcendence
Would you have warning before artificial superintelligence? Oxford professor on Transcendence
Oxford professor on Transcendence: how could you get a machine intelligence?