Crowdfunding
economist.com
economist.com
I know Seth Godin is a fan of this type of concept.
http://sethgodin.typepad.com/seths_blog/2005/05/fundable_a_n...
Also here is a blog post by Kevin Kelly of wired Magazine http://www.kk.org/thetechnium/archives/2008/03/1000_true_fan...