CSS - Content Scrambling System. (weak) DVD encryption.

DeCSS - name of software that breaks CSS encryption.

DVD CCA - DVD Copy Control Association.

EFF - Electronic Frontier Foundation.

ephemeral recordings - Temporary recordings used by broadcasters. Used to pre-record a show for broadcast later. Protected in the DMCA.

MPAA - Motion Picture Association of America.

space shifting - Moving copyrighted materials from one medium to another for personal use.

TRO - Temporary Restraining Order.

WCT - WIPO Copyright Treaty.

WIPO - World Intellectual Property Organization.

WPPT - WIPO Performances and Phonograms Treaty.