The software has been a source of controversy, with some students refusing to submit, arguing that requiring submission implies a. Some critics have alleged that use of this violates educational as well as international laws, and exploits students' works for commercial purposes by permanently storing them in Turnitin's privately held. Turnitin's parent company, iParadigms LLC, runs the informational website Plagiarism.org and also offers a similar plagiarism-detection service for newspaper editors and book and magazine publishers called. Other tools included with the Turnitin are GradeMark (online grading and feedback) and PeerMark (peer-review services). Turnitin released the WriteCycle Suite on February 3, 2009, which bundles the Originality Checking service with its GradeMark online grading tools and PeerMark tools.