Reading the text, What we have lost", students explore the relationship young Japanese people have with their mobile phones. Activities include: research etiquette in Japan, compare how people use mobile phones, conduct class survey and so on. Make a connection with the topic by brainstorming before reading the interview. Students study the interviewees' opinions about usage, handy functions, and drawbacks of mobile phones. Then give their own opinions. Through studying this interview, students are encouraged to think and discuss about etiquette, and safety issues of using mobile phones as their prime concern.