Your earn

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I entered the sites: adbux, eurosms, eurosms, bux3, donkeymails, italiabusiness, ciao, yuwie, mylot, slashmysearch but i don't have referrals. I also entered my link in my social network: facebook, muspace, dada and i use getref. The only gain i have it is of 0,04$ in e-gold with donkeymails. What your earn? With what? How can you ave so many referrals? Everything is free or you use some money?