> What's capital if it's not hiearchical?
"Walking around money"
I know this isn't common, but there's a not-insignificant amount of capital that wasn't extracted from the exploited workers and that doesn't get put to use via "machinery worked by proles" -- mostly it gets spent :-)
http://www.forbes.com/2003/11/21/cz_1121jackson.html
This is a big example, but you can bet that Brad Pitt is spending quite a bit of money these days ...
/jordan