Barabasi The Sixth Link Questions

1. What is the principle of six degrees of separation? What number of social links does any one person need to be connected to global society? p. 30

The principle of six degrees of separation is that we can connect to even any person of this world only through six links of people. Any one person need six social links to be connected to global society.

2. How is the fabric of society today different from pre-internet society? p. 31

The habric of society today different from pre-internet society with links of web pages. Because web pages are connected with each other by links, we can access so many pages with one click.

3. How many more links separate any pair of web pages compared to people in society? What can explain the difference? p. 34

Any pair of web pages is nineteen degrees of separation, whereas links of people is six degrees of separation. This is because, web pages has more huge network than people.

4. So far, what ranges of separation have network scientists discovered in different kinds of networks? p. 34

Scientists discovered many kinds of separation. For example, food web is separated by two links, molecules are separated by three chemical reactions, scientists who work in defferent fields are separated by six coauthorship links, and neurons are separated by fourteen synapses.

5. What does research suggest about the fundamentals of networks? p.34-35

Research suggests that to add more links, the distance between nodes become short about the fundamentals of networks. In other word, the huge network become small by this.

6. What is your estimate of your personal number of connections to society? What connections are your strongest?

I cannot guess it well. However, maybe I need more than six connections because my friends and acquaintances are not so wide. My strongest connection is the relation of my family. I came to realize it more since I began a single life.