Follow the money: 人类（货币）流动复杂网络及其后果

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 http://www.google.com/buzz/115996558239901616313/M6zixUBAqRy/Follow-the-money-%E4%BA%BA%E7%B1%BB-%E8%B4%A7%E5%B8%81-%E6%B5%81%E5%8A%A8%E5%A4%8D%E6%9D%82

2-23 Alex Han: Follow the money: 人类（货币）流动复杂网络及其后果

http://www.youtube.com/watch?v=kn32vavZqvg

The winners of the International Science and Engineering Visualization Challenge, sponsored by the journal Science and the US National Science Foundation (NSF). Follow the Money is a video by two students at the Research on Complex Systems group at Northwestern University in Evanston, Illinois. Using information from the dollar-bill tracking website Where's George, they built a picture of how people move from place to place. The video won them first place for non-interactive media.
2-23 Xinshu DONG: Very interesting video. One doubt for me is whether the flow of money actually reflects the physical movement of humans. When the movements involve a lot of humans, is it reasonable to connect them together?
2-23 Alex Han: actually human beings are connected in many means, the geological location is only one way. we are connected through the words we use, and the concepts we share. we are also connected through the products we share, and the air of course...

sometimes you call the collective movements of people's attributes, thinking, attitudes, or behaviors, as "trends", like fashionable trends, or demographic trends, or political opinion trends, or economic trends, or industry transfer trends.

The largest trend, is called "history".
上午10:22 wei wu: nice vidoe. and it is very clever to choose money as the connector.