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Changes
→number of hops between members
==Network topology==
===number of hops between members===
Networks tend to connect all members in maximum of six hops<ref>[http://research.microsoft.com/en-us/projects/ldg/a05-zhu.pdf Zhu, K., Hui, P., Chen, Y., Fu, X., & Li, W. (2011). Exploring user social behaviors in mobile social applications. In Proceedings of the 4th Workshop on Social Network Systems (p. 3).]</ref>.
===Max size of personal network===
In twitter it seems that Dunbar's number is valid<ref>Gonçalves, B., Perra, N., & Vespignani, A. (2011). Modeling users’ activity on twitter networks: Validation of dunbar's number. PloS One, 6(8), e22656.</ref>