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<http://webisa.webdatacommons.org/16974189>	<http://www.w3.org/ns/prov#value>	"Until July 1, game developers could take payment for their games??? virtual goods directly using such methods as PayPal or credit cards." .
<http://webisa.webdatacommons.org/prov/392682133>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/16974189> .
<http://webisa.webdatacommons.org/16974189>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<techjournal.org> .
<http://webisa.webdatacommons.org/prov/395097260>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/16974189> .