In fact, as The Economist noted, the "Real" Freeconomic gig was to grab some VC money on the back of dubious promises about Ad revenue, persuade a whole lot of muppets to generate user generated content, code and karma for free and then sell the f*cker to some behemoth like Google or AOL before the non-free transaction costs killed it
How to make money the Old Fashioned Way is to charge people for things. This is, following the Semantic shift, Pay! is the New Free
Good stuff here at Broadstuff.