rtokens: But the Internet , a global computer network where anything from music to software can be duplicated and distributed at the click of a computer mouse , has ripped up the rulebooks .
pos: PRP$ NNS VBD JJ IN JJ , JJ IN DT NNS WP VBD NN NNS .
tokens: Their enemies were tangible if elusive , such as the people who pirated music cassettes .
ltokens: Before the Internet , those whose business was to protect copyrights knew where they stood .