About: http://webisa.webdatacommons.org/410518837

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Of course, the Google???s biggest challenge is to convince people to sign-up for yet another social platform, especially since more and more people are hooked into Facebook (750 million) and Twitter.
http://www.w3.org/ns/prov#wasQuotedFrom	gigaom.com