1. SNS RELATIONSHIP RELATIONSHIP RELATIONSHIP RELATIONSHIP RELATIONSHIP S ocial N etwork S ervice S ocial N etwork S ite S ocial N etwork S oftware

4. SIX DEGREES OF SEPARATION Six Degrees of Separation is a famous theory in the domain of MATH which founded by Stanley Milgram in 1967. ▲ You can make an association with any people through 6 people at most. METHODS 6 ASSOCIATION KNOW ACQUAINTANCE …… .. inevitability

5. RANDOM NETWORKS & SIX DEGREES OF SEPARATION ? Consider our real world’s relationship nets is random networks. Make a modle, with mathematical simulative calculation, you will find that 6 people is not enough. RANDOM NETWORKS SIX DEGREES OF SEPARATION collision WHAT’S THE PROBLEM? ------------------THE RANDOM NETWORKS CAN NOT TRULY REPRESENTS THE REAL RELATION NETWORK.

7. SMALL WORLD THEORY More researches show that, in our social network,20% people with 80% associations ensure the six degrees of separation. AN APPLIANCE OF 2/8 PRINCIPLE

15. SNS BUSINESS----MYSPACE/FACEBOOK network networking Networking (myspace): Set a platform, let people show themselves, and make friends with people who they are interested in .It’s a process to make a new social Network. Network (facebook): Set a platform, let people show themselves, and find Friends in real life who are all the same in the platform,it depend on the real life, it spraeded the existing social network.

17. Thank You! Thank You !