1Fred Wilson, "A VC: The Freemium Business Model," Fred Wilson's blog, comment posted on March 23, 2006, http://avc. blogs.com/a_vc/2006/03/the_freemium bu.html. 被引量：1
2Lucia Moses Bloomberg to Build Out 'Business,' Set Web Strategy (2009,Nov 3) http://www.mediaweek.com/ mw/content display/news/rnagazines-newspapers/e3i86ae90f31229976234124 b05dddfefSd. 被引量：1
4Wired's Chris Anderson urges newspapers to adopt 'freemium' model │ Media │ guardian.co.uk. (2009, June 30): http://www. guardian.co.uk/media/pda/2OO9/jun/30/chrisanderson-wiredlongtail-freemium-newspapers -businessmodels. 被引量：1
5Juan Antonio Giner Freemium Newspapers at the WANIFRA Newspaper Congress (2009, Oct, 13) http://www. innovationsinnewspapers.com/index.php/2009/10/13/freemium-newspapers-at-the-wan-ifra-newspaper-congress/. 被引量：1
8New York Times publishes community-funded journalism," http://www, cyberjoumalist.net/new-york-times- publishes- community- funded -joumalism. 被引量：1
9"Spot.Us Delivers Crowdfunding to The New York Times http://www.poynter.org/column.asp?id= 131&aid= 173213. 被引量：1
10Testing CUNY's New Business Models with Adjusted Assumptions Posted by Dorian Benkoil at 10:29 AM on Nov. 19, 2009 http://vcww.poynter.org/column.asp?id=31&aid= 173816. 被引量：1
