SimilarityRank
proprietary_software 0.555 67405
iTune 0.553 13658
GPL 0.542 28099
open_standard 0.532 53038
software_patent 0.531 84105
encryption 0.526 12672
iTunes 0.525 46190
MP3 0.524 15077
Napster 0.523 85385
Zune 0.521 60054
Free_Software 0.518 39554
P2P 0.515 43283
Ogg 0.506 74675
copyright_protection 0.502 84430
content_provider 0.501 34179
BitTorrent 0.500 76291
codec 0.500 24213
FSF 0.493 78539
IPR 0.493 34740
piracy 0.490 16391
free_software 0.489 17010
Creative_Commons 0.489 48112
copyright 0.488 3675
open_source_software 0.485 20668
digital_content 0.485 27454