https://blog.p2pfoundation.net/in-defense-of-grounded-optimism-clay-shirky-on-open-culture-and-the-democratization-of-media/2010/10/23 Researching, documenting and promoting peer to peer practices Fri, 15 Oct 2010 21:35:58 +0000 hourly 1 https://wordpress.org/?v=5.5.14