Cell phones have become unwelcome in most schools because of fears about cheating, distractions and the reality that some students have used them to take and spread inappropriate pictures.
But a new book written by an educator argues cell phones also are educational.
Cell phones can be a handy way for teachers to supplement their lessons, said Liz Kolb, an adjunct professor at Madonna University.
But before she can convince students, she has to get through to teachers.