For an intersesting video on the open source economies see http://blog.ted.com/2008/04/16/yochai_benkler_1/ ).
Of course peace of mind and happiness comes also when we feel that we accomplish gradually our true goals. And there minor and major goals in life. We might say that our existence has no other goal than to exist. Or that we may have many different goals, according to the scale of relevance in our existence. But one of the most beautiful and meaningful goals in life is to develop more of our soul consciousness. So all other minor goals like social success, money, fame, knowledge , creativity etc are to serve this major goal of developing more of our soul consciousness