This document discusses various ways that cell phones can be integrated into classroom instruction. It begins by noting the high percentage of students who own cell phones and have access to the internet. It then provides examples of projects where students have used cell phones to document field trips, conduct oral exams, take notes, blog photos, send text alerts, and more. Guidelines are presented for developing cell phone policies and ensuring their safe and appropriate use in educational settings. The document advocates starting small by surveying students and having optional mobile assignments before fully integrating cell phones into the classroom.