To be accurate, he predicted not the PC and the internet in this clip, but having a terminal (console) at home that connects to a computer somewhere else. My dad had that in the late 1970s: a big (printer) terminal that connected by 300 baud modem to his office.
Computing seems to be about reinventing the old in a more glossy exterior every other generation or so.
The "cloud" seems to be a new go at the virtualization uses that has been done on mainframes since the 70s. One may go as far as to say that the cluster rack is the mainframe v2.
