7Andreas M.Kaplan, Michael Haenlein. The early bird catches the news: nine things you should know about Microblgging[J].ESCP Europe, Avenue de la Republique,F- 75011,Paris,France,2010.
8Younggue Bae,Hongchul Lee.A sentiment analysis of audiences on Twitter: who is the positive or negative audience of popular twitterers?[J].Dept of Industrial Management Engineerlng,Korea University,Anam-dong,Seongbuk- gu,Seoul,Korea,2011:706-713.
9Andreas M.Kaplan, Michael Haenlein. The early bird catches the news: nine things you shnuld know about Microhlggin[J]. ESCP Europe, Avenue de la Republique, F-750 ll,Pafis,France,2010.