第一讲:社会网络的神奇力量观点:Ever dot is a person. Every line between them is the relationship between two people, and here we colored the dots according to how happy people are. So yellow dots are happy people and blue dots are sad people and green dots are in between. If you look at this image you probably can see there are clusters of happy and unhappy people in the network. These clusters turns out to spread to about three degrees of separation. 通过对本课题研究,将社会网络比作石墨和钻石,其实每个原子都一样是碳,最后宏观的性能完全不同是由于其排列组合的结构不