Today’s ubiquitous online social networks serve multiple purposes, including social communication (Facebook, Renren), and news dissemination (Twitter). But how does a social network’s design define its functionality? Answering this would need social network providers to take a proactive role in defining and guiding user behavior.
['Tianyi Wang', 'Yang Chen', 'Yi Wang', 'Bolun Wang', 'Gang Wang', 'Xing Li', 'Haitao Zheng', 'Ben Y. Zhao']
The power of comments: fostering social interactions in microblog networks