Gift Economics
- “the wealth of networks” » http://www.benkler.org/wealth_of_networks/index.php/Main_Page
- “Free labor, Peter Kropotkin, and Yochai Benkler” » http://time-blog.com/curious_capitalist/2007/02/free_labor_peter_kropotkin_and_1.html
- “Free! Why $0.00 Is the Future of Business” » http://www.wired.com/techbiz/it/magazine/16-03/ff_free?currentPage=all
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