@InProceedings{stringhini13:follow_green,
  author = 	 {Gianluca Stringhini and Gang Wang and Manuel Egele and Christopher Kruegel and Giovanni Vigna and Haitao Zheng and Ben Zhao},
  title = 	 {{Follow the Green: Growth and Dynamics in Twitter Follower Markets}},
  booktitle = {Proceedings of the Internet Measurement Conference (IMC)},
  year = 	 2013,
  address = 	 {Barcelona, Spain},
  month = 	 {October}}