Online social networks and meeting platforms such as Facebook, LinkedIn or Meetic are currently developing at a frantic pace. These companies have been reporting two or three-digit growth rates and most of them have launched intensive acquisition campaigns in the last two years or are now being targeted by major media groups. The sector is beginning to structure itself around some key players, which have succeeded in becoming the reference platform within their field, as the result of their innovations and positioning (via Research Paper – Social network websites — faberNovel)