It refers to the ergonomic problem inherent to the "minority report" style interface used for any extended period of time[1], though to be fair to the creators

It refers to the ergonomic problem inherent to the "minority report" style interface used for any extended period of time[1], though to be fair to the creators of this project, this is very clearly presented as a casual, alternative interface, not one to replace mouse and keyboard. [1] http://en.wikipedia.org/wiki/Gorilla_arm#.22Gorilla_arm.22 http://en.wikipedia.org/wiki/Gorilla_arm#.22Gorilla_arm.22