<http://webisa.webdatacommons.org/prov/209307486>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/185620201> .
<http://webisa.webdatacommons.org/185620201>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/185620201>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mit.edu> .
<http://webisa.webdatacommons.org/185620201>	<http://www.w3.org/ns/prov#value>	"???We were not able to commercialize the pull-chord technology,??? he says. ???But we realized that there are a huge number of people with cellphones living off the grid who badly need access to electricity.???" .