Massive, multiplayer online role-playing games foster rich social environments. Within the game, players can interact with other players, make friends, create and cultivate new on...
Online communities have something in common: their success rise and fall with the participation rate of active users. In this paper we focus on social rewarding mechanisms that gen...
: Video sharing has become a growing social practice, with YouTube being the predominant online video sharing site. Most of the research concerning YouTube’s social impact has be...