====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