About: http://webisa.webdatacommons.org/308957722

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	I highly recommend Facebook is best social media site as per as business promotion concern. if you promote any business or any kind of services or product then no other than facebook .. so my ans is FACEBOOK.
http://www.w3.org/ns/prov#wasQuotedFrom	smallbusinessbrief.com