“…Yan, Yi, and Wu (2012) studied user behavior on maicroblog site, and found user interest and social identity have impact on comments and retweeting. Liu, Liu, and Li (2012) found that source trustworthiness, source expertise, source attractiveness, and the number of multimedia have significant effects on the information retweeting. Guan, Gao, and Yang (2014) found that male users are more likely to be involved in hot events, and messages that contain pictures and those posted by verified users are more likely to be retweet, while those with URLs are less likely.…”