Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site The Parable of Umbrellas and Taxicabs: Different kinds of resources in P2P systems (18 Jan 2001) Article URL: http://www.openp2p.com/pub/a/p2p/2001/01/18/shirky_umbrellas.html Read 99 more articles from Clay Shirky sorted by date, popularity, or title. Next Article: The Piper Cub Offense This site is a labour of love built by Chris McEvoy