How does michio kaku develop the idea of future internet intelligence in the intelligent planet

Representative democracy is when elected officials represent a group of people in institutions such as the government.

Based on his article written in the New York TImes, Michio Kaku mentioned that he developed his predictions about the internet and science in general based on two things: obedience to the physical laws and that "prototypes must exist that demonstrate 'proof of principle' ".  I also heard he was specifically inspired by "The Matrix" with regards to the future of the internet. 

What does that mean