28. Phithakkitnukoon S, Dantu R (2011) Mobile social group sizes and scaling ratio. AI Soc 26: 71–85. 29. Wang P, Gonz_alez M, Hidalgo CA, Baraba´si AL (2009) Understanding the spreading patterns of mobile phone viruses. Science 324: 1071. 30. Eagle N, Macy M, Claxton R (2010) Network diversity and economic development. Science 328: 1029–1031. 31. Zinoviev D, Duong V, Zhang H (2010) A game theoretical approach to modeling information dissemination in social networks. CoRR abs/1006.5493. Weather Effects on Mobile Social Interactions 32. Phithakkitnukoon S, Dantu R (2011) Towards ubiquitous computing with call prediction. SIG-MOBILE Mob Comput Commun Rev 15: 52–64. 33. Hable R, Ebner T (2011) Communicating with a large customer base via mobile messaging. In: Proceedings of the 5th International Conference on Communi- cation System Software and Middle-ware. New York, NY, USA: ACM, COMSWARE ’11, pp. 13:1–13:10. PLOS ONE | www.plosone.org 13 October 2012 | Volume 7 | Issue 10 | e45745