Cool, I posted a similiar article a while ago.
About the tubes, technology is amazing, but of course these kind of high-end, modern inventions will be too expensive first. And it's not first time something in science-fiction becomes real.
According to article: 4 ways Futurama is becoming true
, there is more recent attempts too.
The ET3 doesn't carry unprotected individual passengers -- which would obviously be dangerous -- so it instead pushes six-person cars through its frictionless vacuum. The creators of the ET3 say the system could be up and running within the next decade