CHAPTER 1 A Good Call 5 CHAPTER 2 Sending Messages 9 BLAST FROM THE PAST Party Lines 16 CHAPTER 3 Different Devices 19 CHAPTER 4 Going Mobile 25 Before Cell Phones 28 Glossary 30 To Learn More 31 Index 32 Table of Contents
A Good Call In 1976 Alfred spent a day at the pool He was 12 years old When Alfred was ready to go home he called his mom to pick him up Cell phones had not been invented yet So Alfred used a pay phone Before cell phones people used pay phones when away from home 5 Chapter 1
