The research found that, in the classroom, when learning-focused cell phone use increased, social use decreased. Karl Golnik, MD, MEd, addressed the great debate about whether use of cell phones in class helps or hinders student learning, and his team's conclusion may prove to be unexpected. He is Chair, Ophthalmology Foundation Education Committee, Professor Barrow Neurological Institute, University of Arizona, and Creighton University, both in Phoenix, AZ.