Now this right here https://www.youtube.com/watch?v=NdSD07U5uBs?t=1362 https://www.youtube.com/watch?v=NdSD07U5uBs?t=1362 is the problem: if you follow the idea

Now this right here https://www.youtube.com/watch?v=NdSD07U5uBs?t=1362 https://www.youtube.com/watch?v=NdSD07U5uBs?t=1362 is the problem: if you follow the idea of computers as virtualisers where it leads you do not, in the general case, end up with the flat backplane talked about from 23:15 and shown in the accompanying slide. (Actually, this is in turn probably just a symptom of another, more general problem.)