Why this is interesting? It shows the role of information dispersion and the Internet. It also puts in perspective the size of the rest of the world relative to India and China.
Once England used to rule the waves. England outsourced production to a cheaper producer in the early part of this century. That cheap producer was no other than the USA.
How long will it take for India and China to replace the USA as the predominant economy as the USA did with the UK?