About: http://webisa.webdatacommons.org/86827869

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	Really, other than maybe being asked for a picture of it as a proof of purchase, there is no reason to keep your game boxes and physical media once you have added the product key to your Steam account.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com