According to their TOU---one can upload a nonoriginal but is not supposed to be able to win on it....and the uploader has to agree to comply with an copywrite liability
"My first rule is not to lose money. Most investors who want money come right to me. You've got to have someone who is your conscience here . . . a contrarian view." Peter Kirsch (newly appointed GRDO CEO) in 2008 Washington Post Interview