This document discusses using cell phones in the classroom. It acknowledges that cell phones can be distracting and enable cheating and harassment. However, it also presents several apps and strategies for productively using cell phones for educational purposes, such as polling students, student responses to questions, phone tours/commentaries, and archiving whiteboard lessons. The document provides examples of everyday classroom uses like quizzes, taking attendance, facilitating discussion, communicating with substitute teachers, collecting assignments, and answering student questions. It encourages teachers to embrace cell phones as part of modern digital education.