<http://webisa.webdatacommons.org/169394486>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/219946052>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/169394486> .
<http://webisa.webdatacommons.org/169394486>	<http://www.w3.org/ns/prov#value>	"Besides the social factors discussed above there are other issues that are preventing Foursquare and other services from being adopted by the mass market." .
<http://webisa.webdatacommons.org/169394486>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<charliesaidthat.com> .