<http://webisa.webdatacommons.org/prov/228072256>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/366789478> .
<http://webisa.webdatacommons.org/366789478>	<http://www.w3.org/ns/prov#value>	"Unlike email, which has long used Internet standards to exchange messages between servers, IM providers each created their own proprietary protocols for sending IM, making it difficult or impossible for users on AIM, Yahoo, MSM and other IM services to connect with each other." .
<http://webisa.webdatacommons.org/366789478>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/366789478>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<appleinsider.com> .