Changes

According to Prato law, 20% of the people creates 80% of the massaging<ref>[http://yil6.inet-tr.org.tr/extreme-democracy/Chapter%20Three-Shirky.pdf Shirky, C. (2003). Power laws, weblogs, and inequality. Clay Shirky’s Writings about the Internet, 8.]</ref>and complat yo the power-law distrebution<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>.