• Social media. Introduction to the tools and processes of participatory economy 

      Lietsala, Katri; Sirkkunen, Esa
      Hypermedialaboratorion verkkojulkaisuja - Hypermedia Laboratory Net Series : 17 (2008)
      The safe days of walled gardens are over. People collaborate on web sites, and as a return, the action of individuals produces something new, even unexpected results. The emergence may be profitable business and provide ...