Fuente: Peter Diamandis. " Second Life: How a Virtual World Became a Reality http://www.huffingtonpost.com/peter-diamandis/second-life-how-a-virtual_b_2831270.html," at huffingtonpost.com, 03/07/2013.
Philip Rosedale: Frases en inglés
Interview published in SingularityHub.com http://singularityhub.com/2015/06/15/are-people-in-silicon-valley-just-smarter/. June 15, 2015.
Fuente: Marco R. della Cava, " Utopia goes digital http://usatoday30.usatoday.com/life/lifestyle/2005-08-21-virtual-utopia_x.htm," USA TODAY, 8/21/2005