The paper http://arxiv.org/abs/1212.0638 http://arxiv.org/abs/1212.0638 EDIT: Originally I submitted this write-up http://www.roughtype.com/?p=2841 http://www.

The paper http://arxiv.org/abs/1212.0638 http://arxiv.org/abs/1212.0638 EDIT: Originally I submitted this write-up http://www.roughtype.com/?p=2841 http://www.roughtype.com/?p=2841 by Nicholas Carr. It must have been later changed (by the mods?) to a direct link to the arxiv paper.