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this is a classic: http://www.h-online.com/open/features/In-re-Bilski-Let-us-get-back-to-work-837618.html http://www.h-online.com/open/features/In-re-Bilski-Let-us-ge... http://onproductmanagement.files.wordpress.com/2007/07/treecomicbig.jpg http://onproductmanagement.files.wordpress.com/2007/07/treec... http://www.gnu.org/philosophy/not-ipr.html http://www.gnu.org/philosophy/not-ipr.html