About: http://webisa.webdatacommons.org/325508186

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	Sony and Philips brought out the CD, there was at that time no direct ??? Which customers or customer groups are particularly attractive competition from other digital sound systems.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net